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प्रश्न
Complete the following statement by selecting the correct option :
The formula of a compound represents
विकल्प
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
Na4Fe(CN)6
Give the name of the following compound
KClO3
Give the name of the following compound
KClO4
Give the name of the element and number of atom of those elements present in the following compound.
Baking soda (NaHCO3)
Give the name of the element and number of atom of those elements present in the following compound.
Ammonia
Write the name of the following compound:
HClO
Write the name of the following compound:
Ca3(PO4)2
Write the name of the following compound:
NH4OH
