HARD
8th CBSE
IMPORTANT
Earn 100

With the help of a labelled diagram, describe the refining of petroleum.

Important Questions on Unit Test Paper-2

EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 22 - Unit Test Paper-2>Unit Test Paper>Q A
The middle zone of a candle flame appears
EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 22 - Unit Test Paper-2>Unit Test Paper>Q B
Plastics decompose to produce manure when buried in the soil.
EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 22 - Unit Test Paper-2>Unit Test Paper>Q B
Methane and LPG are commonly used domestic fuels.
EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 22 - Unit Test Paper-2>Unit Test Paper>Q C
Write one word for the following.

Plastics that can be reheated and remoulded. (Thermoplastics/ PVC)

EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 22 - Unit Test Paper-2>Unit Test Paper>Q C

Write one word for the following:

Substances that cannot be decomposed by microorganisms. (Biodegradable / Non-biodegradable)

EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 22 - Unit Test Paper-2>Unit Test Paper>Q C
Write one word for the following.
The temperature at which a particular substance burns in the presence of air. (Boiling point/ Ignition temperature)
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 22 - Unit Test Paper-2>Unit Test Paper>Q D
Compare the following properties of metals and non-metals: malleability, lustre, and hardness.