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Subject :NSO    Class : Class 4

Mohit wants to separate a mixture of sugar, water and pebbles. Which of these separation methods should he use to separate all the three components?

AFiltration, Evaporation
BDecantation, Sublimation
CFiltration, Decantation
DEvaporation, Distillation


none of the answers is correct.In option A,through filtration,we ca seprate pebbles.After that through Evaporation,we can get sugar,but wter will get evaporated.So,we willnot get water.So option A ,B,C,D are incorrect

Ans 1:

Class : Class 4
a and d are correct

Ans 2:

Class : Class 4
Firstly , ( Sugar and Water ) and Pebbles can be separated through Filtration Secondly , Sugar and Water can be separated by Evaporation So , the answer is Option (A)

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Subject :NSO    Class : Class 6

Read the given statements and select the correct option.
Statement 1 : Rubber and plastic are used for covering electrical wires, plug tops and switches.
Statement 2 : Rubber and plastic are insulators.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DBoth statements 1 and 2 are false.


Statement 2 is the reason not explanation.

Ans 1: (Master Answer)

Class : Class 1

A


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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

B
Citrus fruits are excellent sources of vitamin C. They can prevent diseases like scurvy and also help in curing common cold.


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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2: (Master Answer)

Class : Class 1

C

The animal shown here is polar bear. They have a fat layer under skin and a layer of fur over it to protect them from cold.


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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
The answer is Option C.. Because burning of candle is both physical and chemical change(melting of wax could be assumed as physical change and the burning of the thread can be assumed as chemical change.. Also, sublimation of wax also takes place and can be classified as physical change.)

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

D

There two 'S' in the word 'COSMOS' so, 'COSMOS' cannot be made from the given word.


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