MEDIUM
7th CBSE
IMPORTANT
Earn 100

Pick the odd one out from the following set, giving reasons:

Water, iron, carbon dioxide and glucose

Important Questions on Matter Around Us

MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 4

Pick the odd one out from the following set, giving reasons:

Water, milk, mercury and bromine 

MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 1
What do you mean by symbols of elements? Who was the first to use this term?
MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 2
What do you mean by atomicity of elements?
MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 3
What are metalloids? Give two examples.
MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 4
Write the formula for carbon monoxide, glucose and ammonia.
MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 5
Why is Na used as the symbol for sodium?
MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 6
How is a molecule of an element different from a molecule of a compound?
MEDIUM
7th CBSE
IMPORTANT
Focus Science Social Science Class 7 Term I>Chapter 3 - Matter Around Us>Evaluation>Q 7
What is sublimation?