Question

FA Quick check 1. Write the symbols of these elements and check if they are correct. i. Silver ii. Chlorine iii. Potassium iv. Copper Sulphur vi. Nitrogen vii. Calcium viii. Iron V. 2. What is the difference between H and H? 3. Can you now write the formula of carbon dioxide? (Hint: It is made up of one atom of carbon and two atoms of oxygen.) class 6 chapter pure substances elements and compounds ​

Answer 1

1). Ag, Cl2, K, Cu, S, N, Ca,Fe,

3).. CO2 .

Answer 2

Answer:

1. Ag
2. Cl
3. K
4. CuS
5. N
6. Ca
7. Fe.

3answer - Ca2

Explanation:

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