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Q-riosity!

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?

a)

1 kilogram

b)

500 grams

c)

250 grams

d)

Practically none

2.

Organic chemistry is the study of the compounds that make up living organisms. All organic molecules contain:

a)

Carbon only

b)

Carbon and Hydrogen

c)

Carbon and Nitrogen

d)

Carbon, Hydrogen and Oxygen

3.

(a)   is known as Artificial Silk.

4.

Which of the following is/are a chemical change?

a)

Casting silver in a mould

b)

Rusting of Iron

c)

Boiling water

d)

Digestion of food

5.

Three of the most common states of matter are solids, liquids, and gases. A liquid has:

a)

A defined volume, but not a defined shape

b)

A definite shape, but no defined volume

c)

A defined volume and shape

d)

No defined volume or shape

6.

Fuse wire is made up of Lead and Tin.

a)

True

b)

False

7.

Which element is used as an antiseptic?

a)

Sulphur

b)

Manganese

c)

Iodine

d)

Calcium

8.

The acid commonly used in car batteries is (a)   .

9.

What does this Litmus test indicate?

a)

HCl is basic in nature

b)

HCl is neutral in nature

c)

HCl is acidic in nature

10.

All of the following are amino acids except:

a)

Tryptophan

b)

Leucine

c)

Tyrosine

d)

Adenine

11.

A drop of food coloring spreading out in a cup of water is an example of which transport process?

a)

Diffusion

b)

Osmosis

c)

Vapor Pressure

d)

Effusion

12.

Which of the following are the major constituents of Bio-gas (Gobar-Gas)?

a)

Methane

b)

Butane

c)

Carbon dioxide

d)

Ammonia

13.

The measure of radioactivity is (a)   .

14.

Which metals are stored in kerosene?

a)

Sodium

b)

Phosphorous

c)

Sulphur

d)

Potassium

15.

The common name of Sodium bicarbonate is

a)

Soda ash

b)

Baking soda

c)

Soda lime

d)

Baking powder