Question

Q.1. A. Choose the correct option.
05 Marks
i) The mass of objects
At any surface on the earth.
a) remains constant b) is non-uniform c) changes d) increases.
ii) Alkaline earth metal have valency 2 this means that their position in the
modern periodic table is in......
va) Group-2
b) Group - 16 c) Period -2 d) d-block
iii) ...... .. is physical change. a) Ice changes into water
b) milk is set into user c) ripening of fruit d) respiration process
iv) We can see the sun even when it is little below the horizon because of ....
a) reflection of light b ) refraction of light c) dispersion of light d) absorption of
light
v) The valency of carbon is .....
a) 2
b) 3
2) 4
d) 6
5 Mors​

Answer 1

Answer:

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Explanation:

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