Quiz on Science Set 161

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Note: You can select only one option out of four option of each question.

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Quiz on Science Set 161 :

Question 1 :

Which of these substances exhibits the weakest intermolecular forces?
A. H2O
B. HCI
C. He
D. NH3

Correct Ans: Option C

Question 2 :

When Hydrogen starts burning in air, it produces
A. Carbonic Acid
B. Ammonia
C. Methane
D. Water

Correct Ans: Option D

Question 3 :

In a period from Li to F, ionisation potential
A. cannot be predicted
B. decreases
C. remains same
D. increases

Correct Ans: Option A

Question 4 :

Colloids are purified by
A. Coagulation
B. Dialysis
C. Peptisation
D. Condensation

Correct Ans: Option B

Question 5 :

One can distinguish a telescope from a microscope by observing
A. length
B. size of the lens
C. colour
D. length & size of the lens

Correct Ans: Option D

Question 6 :

Which among the given is used to remove rust stains on cloth
A. Lime
B. Petrol
C. Kerosene
D. Oxalic acid solution

Correct Ans: Option D

Question 7 :

Heavy metals got their name as compared to other atoms they have
A. Higher atomic masses
B. Higher atomic radii
C. Higher atomic numbers
D. Higher densities

Correct Ans: Option A

Question 8 :

The term reactor referred to in waste water treatment is
A. Aeration tank
B. Clarifier
C. Vessel
D. Settling tank

Correct Ans: Option A

Question 9 :

A mirage occurs as of
A. diffraction of light
B. reflection by hot ground
C. total internal reflection by layers of air
D. interference of light

Correct Ans: Option C

Question 10 :

Which of the following method will be employed to test the hardness of water
A. Distillation
B. Formation of lather with soap
C. Boiling
D. None of these

Correct Ans: Option B

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [C],     Q.2 [D],     Q.3 [A],     Q.4 [B],     Q.5 [D],     Q.6 [D],     Q.7 [A],     Q.8 [A],     Q.9 [C],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Science
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