PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 2

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IMPORTANT

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During respiration, glucose and oxygen combines in the cells of our body when energy is released. What is the best way to describe the reaction that takes place during the process of respiration?

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Important Questions on Chemical Reactions and Equations

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 3

What becomes the colour of iron nails after they have been kept in the blue solution of copper sulphate for about

20

minutes?

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 4

Barium chloride and sodium sulphate react to produce

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 5

The action of water on quick lime is an example of which type of reaction?

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 6

What is the nature of the new product which is formed by the action of water on quick lime?

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10th CBSE

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 7

CaO

and

{CO}_{2}

are produced by heating

{CaCO}_{3}

. What is the type of the reaction and the process?

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 8

When ferrous sulphate is heated the following reaction takes place:

$2 {FeSO}_{4} (s) \to {Fe}_{2} O_{3} (s) + {SO}_{2} (g) + {SO}_{3} (g)$

The above reaction is called _____of ferrous sulphate.

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 9

How the colour changes when the gases after thermal decomposition of ferrous sulphate come in contact with an acidified solution of potassium dichromate?

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10th CBSE

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PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>Formative Assessment>Q 10

What is the colour of solid ferrous sulphate?