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प्रश्न
Fill in the blank with the correct word from the options given below:
Compounds are always _______ in nature.
विकल्प
heterogeneous
homogeneous
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उत्तर
Compounds are always homogeneous in nature.
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संबंधित 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.
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:
K2CO3
Write the chemical name of the following compound
Mg(HCO3)2
Write the chemical name of the following compound
(CH3COO)2Pb
Write the chemical name of the following compound
Na2SiO3
State the main characteristics of a compound with special reference to the compound iron [II] sulphide.
Write the name of the following compound:
K2Cr2O7
Write the name of the following compound:
H2CO3
Write the names of the following compounds.
- CO
- N2O
- NO2
- PCl5
