Question

TRUE OR FALSE 1 X 10 = 10

i. Soil erosion can finally led to desertification.

ii. A tiger reserve can be called a biosphere reserve.

iii. Endangered animals no longer exists on the earth.

iv. Any substance that can burn is a inflammable substance.

v. The lower the ignition temperature, the better the fuel.

vi. Spontaneous combustion starts at room temperature.

vii. Galvanised iron starts rusting if there is a scratch on the zinc layer.

viii. Metal generally have a low specific gravity.

ix. Bakelite is a thermosetting plastic.

x. Water doesn’t help in growth of bacteria.​

Answer 1

Explanation:

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Answer 2

Answer:

true

true

false

true

true

true

true

false

true

false