NSO Level 1- Science Olympiad (SOF) Class 7: Questions 241 - 246 of 597

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Question number: 241

» Acids, Bases and Salts

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MCQ▾

Question

Acetic acid is found in which of the following?

Choices

Choice (4)Response

a.

Lemon Juice

b.

Detergent

c.

Vinegar

d.

Apple Juice

Question number: 242

» Physical and Chemical Changes

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MCQ▾

Question

Stainless steel is made by mixing iron with which of the following?

Choices

Choice (4)Response

a.

Manganese

b.

Nickel

c.

Carbon

d.

All a. , b. and c. are correct

Question number: 243

» Acids, Bases and Salts

Edit
MCQ▾

Question

Which of the following is an example of a Weak base?

Choices

Choice (4)Response

a.

LiOH

b.

NH3

c.

NaOH

d.

All of the above

Question number: 244

» Acids, Bases and Salts

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MCQ▾

Question

In an experiment phenolphthalein is added to a base solution, the solution turns pink. What will be the resulting color of the solution if acid is added to the above experimental tube?

Choices

Choice (4)Response

a.

Colorless

b.

Blue color

c.

No changes in the color.

d.

Red color

Question number: 245

» Fibre to Fabric

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MCQ▾

Question

The following picture depicts the process of ________

Picture depicts the process

Picture Depicts the Process

Choices

Choice (4)Response

a.

Wool Shearing

b.

Silk worm Cultivation

c.

Silk harvesting

d.

All of the above

Question number: 246

» Nutrition in Plants and Animals

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MCQ▾

Question

Read the following statements and select the correct option about large intestine.

The large intestine

The Large Intestine

Choices

Choice (4)Response

a.

It absorbs water from the indigestible food.

b.

It absorbs nutrients from the indigestible food.

c.

It transmits the useless waste material to be ejected out of body.

d.

Both a. and c. are correct

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