LikhoPadho.com | Language of Chemistry class 8 ICSE MCQ

1. Who suggested figurative symbols for atom of element?

2. When we write the names of reactants and products to express a chemical reaction it is called a ________.

3. Valency is the no. of ‘X’ atoms which can combine or displace one atom of the element or a radical to form a compound. Here ‘X’ stands for

4. In which year Berzelius suggested a simple approach to represent element?

5. The Latin name for Silver is ___________.

6. The penultimate shell is the _________.

7. The formula for ammonium bicarbonate is ______.

8. Certain elements have variable valancy because ____________.

9. When we write the symbols and the formulas of the elements compounds to express a chemical reaction it is called __________.

10. Which among the following is not required for a chemical reaction to take place

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