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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Answer is option A.

Ans 2:

Class : Class 4
Answer is option A. MUFFLER

Ans 3:

Class : Class 4
Answer is option A.

Ans 4:

Class : Class 4
Answer is a

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Answer is A Dolphin is a mammal which breaths through the lungs. Whales also have the same system Whereas, earthworm breathes through the skin.

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Subject :NSO    Class : Class 7

Read the given statements and mark the correct option.
Statement 1 : The ash produced by burning magnesium when dissolved in water turns China rose indicator dark pink.
Statement 2 : The ash formed is MgO which when dissolved in water forms an acidic solution.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Read the given statements and select the correct option.
Statement 1: Petrol condenses near the top of the fractionating column while diesel oil near the middle of the column.
Statement 2: Petrol is more volatile than diesel oil.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.


Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
B

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
Venus

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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