Question

multiple choice question
3. Exothermic reactions -
a. Absorb heat
c. Depends on the room temperature
4. Matter exists as-
a. Solids, liquids, gases
c. Gases, solids, plasma
5. Copper sulphate crystals-
a. Have a definite geometrical shape
b. Has blue colour
b. Solids, liquids, gases, plasma
d. None of these​

Answer 1

3. gives out heat

4. solid liquid gases

5. has blue colour

Answer 2

Answer:

${\itshape 3. Releases heat\\4. Solid, Liquid, Gases\\5. Has blue colour}$

Explanation:

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