Question

Tick ( ) the correct options:


1.The constituent particles of a particular matter are ___ in all

respects.

(a) identical (b) different

(c) both (a) and (b) (d) cannot be said


2. Density of copper is 8900 kg/m3. What is the mass of 20 cm3

of copper?

(a) 89 g (b) 178 g

(c) 8.9 g (d) 1.78 g


3. The intermolecular space is very large in

(a) liquids (b) gases

(c) solids (d) none of these


4. At high altitudes, pressure

(a) increases (b) decreases

(c) remains the same (d) increases upto some height and then decreases


5. Which of the following does/do not show sublimation?

(a) ammonium chloride (b) solid iodine

(c) dry ice (d) water

(PLEASE ANSWER ME FAST IT'S URGENT)
WHO WILL ANSWER ME FIRST I WILL MARK HIM/HER AS BRAINLIEST ​

Answer 1

Answer:

1. A

2.C

3.C

4.B

5.D

Explanation:

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Answer 2

Answer:

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