Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 8

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10th CBSE

IMPORTANT

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The reaction of $H_{2}$ and ${Cl}_{2}$ to give $HCl$ is . (Combination / Decomposition / Displacement)

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Important Questions on Chemical Reactions and Equations

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10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 9

Physical changes involves _____ in mass. (change/ no change)

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10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 10

' v'

signifies the term _____ if mentioned with a product in chemical reaction.

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10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 11

{CO}_{2}

is absorbed in _____. (Lime water/ calcium water/ distilled water)

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IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 12

Chemical formula of sugar is _____.

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10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 13

Melting of wax is _____. (chemical change/ physical change)

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10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 14

Burning of petrol is a _____. (physical change/ chemical change)

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10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 15

The reactant molecules come _____ to bring in the chemical reaction. (farther/closer)

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10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 1 - Chemical Reactions and Equations>Exercise 9>Q 16

The colour of Anhydrous copper sulphate is _____.