S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Periodic Test (Based on Chapters 13 to 16), Exercise 1: PERIODIC TEST (Based on chapters 13 to 16)
S N Jha Science Solutions for Exercise - S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Periodic Test (Based on Chapters 13 to 16), Exercise 1: PERIODIC TEST (Based on chapters 13 to 16)
Attempt the free practice questions on Chapter 20: Periodic Test (Based on Chapters 13 to 16), Exercise 1: PERIODIC TEST (Based on chapters 13 to 16) with hints and solutions to strengthen your understanding. Science Success solutions are prepared by Experienced Embibe Experts.
Questions from S N Jha, Geeta Negi and, Neelima Jain Solutions for Chapter: Periodic Test (Based on Chapters 13 to 16), Exercise 1: PERIODIC TEST (Based on chapters 13 to 16) with Hints & Solutions
Graphite is the waste under the following category _____.

Match the statements:
Column A | Column B |
a. Double touch method of a magnet | (i) Atmosphere |
b. Biggest reservoir of water | (ii) Seawater |
c. Floods can cause several | (iii) They are non-biodegradable |
d. We should not use polythene bags since | (iv) Makes artificial magnet |
e. The blanket of air around us is | (v) Water problems |

How do plants and animals together keep a balance of levels of gases in air?

What do you understand by rainwater harvesting? What is its importance?

State the characteristics of a magnet? Name the poles of a magnet? How can you ascertain the polarity of a magnet? Can poles be isolated?

Few iron nails and screws are mixed with wooden shavings while carpenter was working with them? Can you help him in getting the nail irons and screws back from the wooden shavings without wasting his time in searching with his hands? If yes then how?

List the three activities in which you can save water. For each activity describe how could you do it?

Collect old and discarded objects and materials like plastic bottles, glass bottles, wool, bed sheets, greeting cards, coconut husks and any other thing from your house. How can you make something useful out of these, instead throwing them?
