Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises

Exercises

Author:Amarnath Mishra, Geeta Mehta, Deepti Lehri & Rajesh Mohan

Amarnath Mishra Science Solutions for Exercises

Simple step-by-step solutions to Exercises questions of The Language of Chemistry from Basic Science For Class 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercises with Hints & Solutions

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q D

The valencies of the two elements of a binary compound are _____ to obtain its formula. (added / transposed)

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q D

Atoms are neither lost nor _____ in chemical reaction. (gained/ reacted)

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7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q G

The valency of hydrogen is $1$ .

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7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q G

The valency of oxygen is $2$ .

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q G

The symbol of iron is I.

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7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q G

The symbol of silver is $A g$ .

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7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q G

The valency of calcium is 2 and that of chlorine is 1. So, calcium chloride is $C a_{2} Cl$ .

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 1 - The Language of Chemistry>Exercises>Q G

The valency of both zinc and oxygen is $2$ . So, zinc oxide is $Z n O .$