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प्रश्न
Complete the following statement by selecting the correct option :
The formula of a compound represents
पर्याय
an atom
a particle
a molecule
a combination
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उत्तर
The formula of a compound represents a molecule.
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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 basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Calcium bromide
Write the chemical name of the following compound:
Ca3(PO4)2
Write the chemical name of the following compound
Mn3(BO3)2
State the main characteristics of a compound with special reference to the compound iron [II] sulphide.
Write the name of the following compound:
NaClO3
Write the name of the following compound:
KMnO4
Write the name of the following compound:
Ca3N2
Write the name of the following compound:
Ca3(PO4)2
Write the name of the following compound:
HNO2
