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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
Any help why?

Ans 2:

Class : Class 9
In the chromatogram, spots of the components of the protein extract are obtained at different heights, depending on their solubility. Only W and Y correspond to the two of the components of the extract (they are formed at the same height). Therefore, W and Y are components of the extract and the answer is C.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
explain

Ans 2:

Class : Class 5

Ans 3:

Class : Class 2

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7
the answer is C

Ans 3:

Class : Class 6
C

Ans 4:

Class : Class 3

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 7

Match column I with column II and select the correct option from the codes given below.

Column I Column II
(P) Expansion of metals on heating (i) Neither physical nor chemical change
(Q) A stone kept in the sunlight (ii) Chemical change
(R) Burning of a candle (iii) Combination of physical and chemical changes
(S) Curdling of milk (iv) Physical change

A (P) - (iv), (Q) - (i), (R) - (iii), (S) - (ii)
B (P) - (iv), (Q) - (iii), (R) - (ii), (S) - (i)
C (P) - (i), (Q) - (ii), (R) - (iii), (S) - (iv)
D (P) - (i), (Q) - (iv), (R) - (ii), (S) - (iii)


A IS THE CORRECT ANSWER BECAUSE CURDING OF MILK IS A CHEMICAL CHANGE

Ans 1:

Class : Class 7
A IS THE CORRECT ANSWER BECAUSE CURDING OF MILK IS A CHEMICAL CHANGE

Ans 2:

Class : Class 5

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
frog as tadpoles breathe through lungs in water and frog is an amphibian

Ans 2:

Class : Class 4
class:class: frog

Ans 3:

Class : Class 7

Ans 4:

Class : Class 5
I did

Ans 5:

Class : Class 7

Ans 6:

Class : Class 5

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2

Ans 2:

Class : Class 3
a

Ans 3:

Class : Class 4
ADADADADADADADADADADADADASASZXDFGCSDXFGSVG FCZCVXGBFXFGHZGBVBFGAGZBNXHXHFGHYETWRHDYREFHELLHFUCKUHUYHNFHXNSHJ

Ans 4:

Class : Class 6
A

Ans 5:

Class : Class 2
Ans:A

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