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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
option c is correct

Ans 2:

Class : Class 7
option c is correct as acceleration means change of speed

Ans 3:

Class : Class 8
D as it is mentioned that the particle is travelling at a constant speed

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 2:

Class : Class 7
I actually don't get the logic behind it

Ans 3:

Class : Class 7
I am not able to understand it

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Ans c

Ans 2:

Class : Class 7

Ans 3:

Class : Class 4
yes according to me also the answer is c but in nso practice papers it is written as d

Ans 4:

Class : Class 8
yes ans c

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
the answer is d

Ans 2:

Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
C

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Subject :NSO    Class : Class 7

Which of the following statements are correct?
I. The tangy taste of cola drinks is due to carbonic acid which is an organic acid.
II. Inorganic acids are prepared artificially in the industries and are extremely corrosive.
III. Hydrochloric acid reacts with metals to varying degrees therefore, it is stored in glass bottles.
IV. Organic acids are weak acids and are used as food supplements.

A I, II and III only
B I and IV only
C II and IV only
D All of these


Why is carbonic acid inorganic even though all organic acids have carbon in their formulae and H2CO3 is the formula of carbonic acid?

Ans 1:

Class : Class 8
Hcl reacts with metals also

Ans 2:

Class : Class 7
hcl reacts with metals too

Ans 3:

Class : Class 7
Q is wrong since option 1 is false, rest all are true

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
i gave the correct answer but in the result they are showing that it is wrong.it is the same case with some other questions too.Please make a note that you correct it,thank you.

Ans 2:

Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
The answer is D because the stapler is the odd one out

Ans 3:

Class : Class 5
yes because the stapler is a third class lever

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 2:

Class : Class 8
A

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