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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 5

Swati wanted to study the effect of temperature on the rate of evaporation. For this, she carried out the experiment under four different sets of conditions as shown in the table.

Characteristic Set W Set X Set Y Set Z
Surface area
of the container
80 cm3 120 cm3 80 cm3 120 cm3
Humidity 80% 90% 90% 90%
Temperature 75°C 120°C 75°C 75°C

Which of the following is best suited to conclude the effect of temperature on the rate of evaporation?

ASet W and Set Z
BSet X and Set Z
CSet Y and Set Z
DSet W and Set Y


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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

The food items shown in the figure are rich in nutrient X. Read the given statements regarding the nutrient X.

(i) When we grow, our body needs X to make new cells.
(ii) Intake of X gives energy immediately.
(iii) Growing children and sick people require less amount of X in their diet.
(iv) X gets stored in our body and keep us warm.
Which of the given statements are incorrect?

A (i) and (iv) only
B (iii) and (iv) only
C (i) and (iii) only
D (ii) , (iii) and (iv) only


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