Advertisements
Advertisements
प्रश्न
The valency of an element A is 3 and that of element B is 2. Write the formula of the compound formed by the combination of A and B.
Advertisements
उत्तर
Formula of the compound = A2B3
APPEARS IN
संबंधित प्रश्न
Match the following:
|
Compound |
Formula |
|
1. Boric acid |
i. NaOH |
|
2. Phosphoric acid |
ii. SiO2 |
|
3. Nitrous acid |
iii. Na2CO3 |
|
4. Nitric acid |
iv. KOH |
|
5. Sulphurous acid |
v. CaCO3 |
|
6. Sulphuric acid |
vi. NaHCO3 |
|
7. Hydrochloric acid |
vii. H2S |
|
8. Silica (sand) |
viii. H2O |
|
9. Caustic soda (sodium hydroxide) |
ix. PH3 |
|
10. Caustic potash (potassium hydroxide) |
x. CH4 |
|
11. Washing soda (sodium carbonate) |
xi. NH3 |
|
12. Baking soda (sodium bicarbonate) |
xii. HCl |
|
13. Lime stone. (calcium carbonate) |
xiii. H2SO3 |
|
14. Water |
xiv. HNO3 |
|
15. Hydrogen sulphide |
xv. HNO2 |
|
16. Ammonia |
xvi. H3BO3 |
|
17. Phosphine |
xvii. H3PO4 |
|
18. Methane |
xviii. H2SO4 |
Write the chemical name of the following compound
(CH3COO)2Pb
Give the name of the element and number of atom of those elements present in the following compound.
Ammonia
Explain the meaning of the term ‘compound’ with a suitable example.
State the main characteristics of a compound with special reference to the compound iron [II] sulphide.
Write the name of the following compound:
HClO
Write the name of the following compound:
Ca3N2
Write the name of the following compound:
Cr2(SO4)3
Fill in the blank with the correct word from the options given below:
Compounds are always _______ in nature.
Write the names for the following compounds,
- Aluminum sulphate
- Silver nitrate.
