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Science Quiz on How Things Work :03.03.2020

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Question 1

A substance decomposes if heated to its boiling point, what method you will choose for such compounds.

Question 2

Internal forces in a system of particles

Question 3

Suppose a stone is dropped from the top of a tower, then it shows:

Question 4

The velocity - time graph for a body is drawn with the help of following table:

The data given indicates that:

Question 5

Who invented Portland cement and in which year?

Question 6

Naphthalene balls are obtained by the distillation of which of the following substances

Question 7

Why are cans used for storing soft drinks or food items usually electroplated with tin?

Question 8

What is iron coated with in order to protect it from corrosion and rust?

Question 9

Which scientist performed the famous photoelectric experiment?

Question 10

Directions: Answer the following questions by selecting the most appropriate option.
The unit of measuring distances between the stars is known as
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Mar 3CTET & State TET Exams