Question

1) One of the following substances is neither a good conductor of electricity nor an insulator, this substance is

a) Chromium
b) Germanium
c) Gallium
d) Potassium

2) Which of the following is not a mixture

a) Kerosene
b) Air
c) Alcohol
d) Petrol

3) When a mixture of iron powder and sulphur powder is heated strongly to form iron sulphide,then heat energy is

a) Released
b) First absorbed and then released
c) Absorbed
d) Neither absorbed nor released​

Answer 1

Answer:

1) b. Germanium

2) c. Alcohol

3) c. absorbed

hope it helps

please mark me brainliest

Answer 2

Answer:

1) Ans: Germanium is neither a good conductor of electricity nor an insulator.

2) Ans: Alcohol is not a mixture.

3) Ans: When a mixture of iron powder and Sulphur powder is heated strongly to from iron sulphide (FeS), then heat energy is released.

Explanation: