Shalini Samadhiya Solutions for Exercise 2: Breather

Author:Shalini Samadhiya

Shalini Samadhiya Science Solutions for Exercise - Shalini Samadhiya Solutions for Exercise 2: Breather

Attempt the practice questions from Exercise 2: Breather with hints and solutions to strengthen your understanding. The Science Hub solutions are prepared by Experienced Embibe Experts.

Questions from Shalini Samadhiya Solutions for Exercise 2: Breather with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

A diatomic molecule has

EASY
7th CBSE
IMPORTANT

Which of the following is the chemical formula of hydrogen chloride?

EASY
7th CBSE
IMPORTANT

Which of the following is the symbol of gold?

EASY
7th CBSE
IMPORTANT

Which of these is the smallest particle of a substance?

EASY
7th CBSE
IMPORTANT

Write the valency of the following element

Iron

MEDIUM
7th CBSE
IMPORTANT

Write the valency of the following element 

Calcium

MEDIUM
7th CBSE
IMPORTANT

Balance the following chemical equation:

FeS+O2Fe2O3+SO2

MEDIUM
7th CBSE
IMPORTANT

Balance the following chemical equation: 

CO2+CaOH2CaCO3+H2O