Lakhmir Singh and Manjit Kaur Solutions for Chapter: Air Around Us, Exercise 4: Multiple Choice Questions (MCQs)
Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Air Around Us, Exercise 4: Multiple Choice Questions (MCQs)
Attempt the free practice questions on Chapter 15: Air Around Us, Exercise 4: Multiple Choice Questions (MCQs) with hints and solutions to strengthen your understanding. Awareness Science For Sixth Class solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Air Around Us, Exercise 4: Multiple Choice Questions (MCQs) with Hints & Solutions
The air over industrial cities has usually higher amount of one of the following components than normal air. This component is:
Air is considered to be:
Nitrogen is needed by the plants to make:
While deep under the sea, a deep-sea diver cannot utilise the oxygen dissolved in seawater for breathing because he does not have:
About one-fifth of ordinary air is:
The component of air which is utilised by the plants in respiration is :
If the clothes of a person catch fire while working in the kitchen, which of the following should be used to cover the burning clothes of the person so as to extinguish the fire?
In an activity to show that air is mainly a mixture of two gases (nitrogen and oxygen), the carbon dioxide produced by the burning of candle in air is absorbed by dissolving a substance X in water in the trough. The substance X is:
