📚NCERT Questions — NCERT10
100 solved questions with detailed explanations
In a word-equation, where are the reactants written?
What is the purpose of using chemical formulae instead of words in a chemical equation?
What are the products formed when ferrous sulphate crystals are heated?
Which of the following balanced equations correctly represents the reaction of hydrogen gas with chlorine gas to form hydrogen chloride?
Why do chips manufacturers usually flush bags of chips with nitrogen gas?
Reactions in which heat is released along with the formation of products are called:
Which of the following is an example of a combination reaction?
The reaction of calcium hydroxide with carbon dioxide to form calcium carbonate and water is an example of:
In the electrolysis of water (Activity 1.7), a few drops of dilute sulphuric acid are added to the water. What is the purpose of adding sulphuric acid?
Why is painting iron articles a common method to prevent rusting?