Question

Q.1 Tick the correct answer?
Melting point of diamond is_______
A. 3700°c
B. 3500°c
C. 4000°c
D. 2500°c

Q2 Fill in the blanks?
1] Coal, Coke are the non-crystalline forms of______

Q3 True or false?
1] Diamond knives are used in eye surgery?
​

Answer 1

Answer:

....

Explanation:

1. A

3700°C

Answer 2

$\huge\underline\mathrm\green{Answer:-}$

$\mathrm\red{1. }$$\mathrm{4000°c}$

$\mathrm\red{2. }$$\mathrm{Carbon}$

$\mathrm\red{3. }$$\mathrm{True}$