NSO Level 1- Science Olympiad (SOF) Class 10: Questions 141 - 145 of 986

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Question number: 141

» Acids, Bases and Salts

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MCQ▾

Question

While diluting an acid…….

Choices

Choice (4) Response

a.

Acid should be added to water

b.

Water should be added to acid

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 142

» Chemical Reactions and Equation

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MCQ▾

Question

Which of the following law is used to balancing the chemical equation?

Choices

Choice (4) Response

a.

Law of attraction

b.

Law of conservation of mass

c.

Law of variable proportion

d.

Law of demand

Question number: 143

» Chemical Reactions and Equation

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MCQ▾

Question

Which of the following is a chemical reaction?

Choices

Choice (4) Response

a.

Shredding paper.

b.

Digestion of food in our body.

c.

Breaking glass.

d.

Mixing sand and water.

Question number: 144

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

Namita walks 14 metres towards west, then turns to her right and walks 14 metres and then turns to her left and walks 10 metres. Again turning to her left she walks 14 metres. What is the shortest distance (in metres) between her starting point and the present position?

Choices

Choice (4) Response

a.

10

b.

28

c.

38

d.

24

Question number: 145

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

If the animals which can walk are called ‘swimmers’, animals who crawl are called ‘flying’, those living in water are called ‘snakes’ and those which fly in the sky are called ‘hunters’, then what will a lizard be called?

Choices

Choice (4) Response

a.

Swimmers

b.

Snakes

c.

Flying

d.

Hunters