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प्रश्न
Select the correct answer from the choice given below.
A group of atoms of elements
पर्याय
ion
radical
combining power
MCQ
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उत्तर
radical
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संबंधित प्रश्न
Define: Elements
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
What is meant by 2H and H2
Name: Two substances used to make electric wires
Fill in the blank
The most abundant element in the earth’s crust is _______.
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
Write the names of elements from the following symbol:
Cd
Define the terms elements, compounds & mixtures with a view to show their basic difference.
Explain the term ‘mixture’.
______ is a mixture of gases.
