Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 3

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7th ICSE

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Product molecules are formed by the rearrangement of atoms in the reactants.

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Important Questions on The Language of Chemistry

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7th ICSE

IMPORTANT

Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 4

The formation of bubbles is not conclusive evidence of a chemical reaction has taken place.

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7th ICSE

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Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 1

Balance the following equation in a stepwise manner.

$Fe + O_{2} \to {Fe}_{2} O_{3}$

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7th ICSE

IMPORTANT

Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 2

Balance the following equation in a stepwise manner.

$HCl + {Na}_{2} {CO}_{3} \to NaCl + H_{2} O + {CO}_{2}$

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7th ICSE

IMPORTANT

Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 3

Balance the following equation in a stepwise manner.

$HCl + Zn \to {ZnCl}_{2} + H_{2}$

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7th ICSE

IMPORTANT

Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 4

Balance the following equation in a stepwise manner.

$NaOH + HCl \to NaCl + H_{2} O$

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7th ICSE

IMPORTANT

Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 5

Balance the following equation in a stepwise manner.

$N_{2} + O_{2} \to NO$

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7th ICSE

IMPORTANT

Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 1

Define the term effervescence.

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7th ICSE

IMPORTANT

Inspired Chemistry-7>Chapter 5 - The Language of Chemistry>CHECKPOINT>Q 2

Define the term exothermic reaction.