Chemical reactions and equations
Writing and balancing equations, and the reaction types - combination, decomposition, displacement, double displacement, oxidation and reduction - plus corrosion and rancidity as everyday cases.
Class 10 · Chemistry
Class 10 Chemistry tuition: the equation is the answer
Class 10 Chemistry covers chemical reactions and equations, acids bases and salts, metals and non-metals, and carbon and its compounds. In CBSE these are units within one Science paper rather than a separate subject. The recurring cost is the balanced equation: a child can describe a reaction correctly and still score little, because the equation is what is being marked.
Chemistry is the strand where understanding and marks come apart most sharply. A child can tell you exactly what happens when zinc is added to dilute sulphuric acid, write the equation with the right reactants and products, leave it unbalanced, and lose most of the credit. That is not a chemistry problem in any meaningful sense - it is a habit that was never made automatic, and it is worth several marks in every reaction question in the paper.
A free 20-minute assessment. We find where your child actually is, then tell you what we would do about it. No card, no commitment.
What is taught
The Class 10 Chemistry syllabus, topic by topic
Acids, bases and salts
Reactions of acids and bases, the pH scale and its everyday importance, and the preparation and uses of common salts - washing soda, baking soda, bleaching powder and plaster of Paris.
Metals and non-metals
Physical and chemical properties, the reactivity series, ionic bonding, extraction of metals according to reactivity, and corrosion with its prevention.
Carbon and its compounds
Covalent bonding, allotropes, versatile nature of carbon, homologous series, nomenclature, and the chemical properties of ethanol and ethanoic acid, with soaps and detergents.
Class 10 Chemistry in detail
Why does an unbalanced equation lose so many marks?
Because the equation is the answer, not an illustration of it. An unbalanced equation states that matter was created or destroyed, so it is chemically wrong however well the surrounding prose reads. Examiners mark it as a single statement, which is why a correct description around a wrong equation still scores poorly.
The fix is a sequence rather than a skill: write the skeleton equation, count each element on both sides, balance metals and non-metals, then hydrogen and oxygen, then add state symbols and conditions. Done in that order every time, it takes seconds and stops being a source of error.
What does not work is balancing at the end as a tidying-up step, which is what most children do and why it gets forgotten under exam pressure. Our free Class 10 Science worksheets put balancing first in every reaction question for that reason, with the full answer key on the page.
Why do children find carbon and its compounds so hard?
Because it is the first chapter that is systematic rather than memorised. A homologous series, a functional group and a naming rule generate answers for compounds a child has never seen, and children who have revised chemistry by memorising find they have nothing to recall.
That is why this chapter separates children who understand chemistry from children who have learnt it. The good news is that the system is small: identify the longest carbon chain, identify the functional group, apply the prefix and suffix. Three steps, applied consistently, cover almost every naming question the board sets.
The children who struggle here are usually the ones who did well earlier by memorising reactions, so it can feel like a sudden decline. It is not - it is a change in what is being asked, and it responds quickly to being taught as a method.
Should we get chemistry help on its own?
Only if chemistry is genuinely where the marks are going. CBSE sets one Science paper covering all three strands up to Class 10, so strength in physics cannot offset chemistry losses. ICSE does separate the sciences, so if your child is on that board the answer may be different.
This is worth checking rather than assuming, and the search data suggests parents already know it - the chemistry cluster carries an ICSE modifier, which fits a board where chemistry really is its own paper.
For a CBSE child we assess the whole Science paper and then say where the hour is best spent. Quite often a child reported as weak in physics is actually losing more marks to unbalanced equations. The full subject is on the Class 10 Science page, and our ICSE page covers how that board differs.
At a glance
Class 10 Chemistry, topic by topic
What the year covers, and what a child on track can do by the end of it.
| Topic | What it actually involves |
|---|---|
| Chemical reactions and equations | Writing and balancing equations, and the reaction types - combination, decomposition, displacement, double displacement, oxidation and reduction - plus corrosion and rancidity as everyday cases. |
| Acids, bases and salts | Reactions of acids and bases, the pH scale and its everyday importance, and the preparation and uses of common salts - washing soda, baking soda, bleaching powder and plaster of Paris. |
| Metals and non-metals | Physical and chemical properties, the reactivity series, ionic bonding, extraction of metals according to reactivity, and corrosion with its prevention. |
| Carbon and its compounds | Covalent bonding, allotropes, versatile nature of carbon, homologous series, nomenclature, and the chemical properties of ethanol and ethanoic acid, with soaps and detergents. |
On track by the end of Class 10 looks like
- Balances an equation as a matter of routine, before writing anything else about the reaction
- Includes state symbols and conditions without being prompted
- Places a metal correctly in the reactivity series and predicts whether a displacement will happen
- Names a simple organic compound from its structure and draws a structure from its name
- Explains a pH observation rather than only quoting the number
Where it usually goes wrong
- Unbalanced equations, which is the single largest avoidable loss in the strand
- Missing state symbols and reaction conditions
- Learning the reactivity series as a list without using it to predict anything
- Nomenclature in carbon compounds, especially where the functional group changes the suffix
- Confusing washing soda, baking soda and bleaching powder, which look alike on a revision sheet
Fees
What Class 10 Chemistry tuition costs
What Class 10 tuition costs
Class 10 sits in Class 9 and 10. Board-exam teaching, with past papers and marking schemes.
- Spoken English8 live classes/month
- ₹2,000/month
- All Subjects16 live classes/month
- ₹5,000/month
- One-to-One12 live classes/month
- ₹8,000/month
Per child, per month. See every plan and what is included.
Where this comes from
Sources for what is on this page
Everything above about the syllabus is checked against the boards’ own material rather than against other tuition sites. If a claim cannot be traced back to one of these, it is not on the page.
Same class
Everything else we teach in Class 10
Questions
Class 10 Chemistry, answered
Is chemistry a separate subject in Class 10?
Not in CBSE, where physics, chemistry and biology share one Science paper until Class 11. ICSE does treat them separately, which is probably why the ICSE modifier shows up so often in searches for Class 10 chemistry tuition. Confirm with your child's school.
My child understands the reactions but still scores badly. Why?
Almost always the equation - unbalanced, or missing state symbols and conditions. The equation is what is being marked, so a good description around a wrong equation scores little. It is a habit problem and it corrects quickly once balancing comes first rather than last.
Which chapter causes the most difficulty?
Carbon and its compounds, because it is systematic rather than memorised. Children who have done well by learning reactions by heart suddenly have nothing to recall, and need to be taught nomenclature as a three-step method instead.
How do we stop the reactivity series being just a list?
Use it to predict. Give your child two metals and a salt solution and ask whether a reaction happens before looking it up. A list that is never used to answer anything will not survive to the exam.
Why does my child understand the reaction but still lose marks?
Because the equation is the answer, not an illustration of it. An unbalanced equation states that matter was created or destroyed, so it is chemically wrong however good the surrounding prose - and examiners mark it as one statement.
What is the fastest way to fix balancing?
A fixed sequence, every time: skeleton equation, count each element both sides, balance metals then non-metals, then hydrogen and oxygen, then add state symbols. Done in that order it takes seconds; done as tidying-up at the end it gets forgotten under pressure.
Which chapter causes the most difficulty?
Carbon and its compounds, because it is systematic rather than memorised. Children who did well by learning reactions by heart suddenly have nothing to recall, and need nomenclature taught as a three-step method instead.
Is chemistry a separate paper in Class 10?
Not in CBSE, where physics, chemistry and biology share one Science paper until Class 11. ICSE does treat them separately, which is why the ICSE modifier shows up so often in searches for Class 10 chemistry tuition.
How do we stop the reactivity series being just a list?
Use it to predict. Give your child two metals and a salt solution and ask whether a reaction happens before looking it up. A list never used to answer anything will not survive to the exam.
Do we need to memorise every equation?
No - but you do need the reaction types, because they generate the equations. A child who knows what a double displacement looks like can write one they have never seen, which memorisation cannot do.
100% free · no card
See how your child is doing in Class 10 Chemistry.
A free 20-minute assessment. We find where your child actually is, then tell you what we would do about it. No card, no commitment.
- You tell us the class, board and what is going wrong.
- We match a teacher who has taught exactly that, and send you a time.
- A free 20-minute assessment. Sit beside your child if you like.
- No card, no commitment
- Live classes, never a crowd
- The same teacher every week