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प्रश्न
Give the name of the element and number of atom of those elements present in the following compound.
Quick lime
उत्तर
Quick lime - CaO
There is one calcium atom and one oxygen atom.
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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.
Select the basic and acidic radicals in the following compounds.
MgSO4
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
Ag2SO3
Write the chemical name of the following compound
Na2SiO3
Give the name of the following compound
KCIO
Give the name of the element and number of atom of those elements present in the following compound.
Ammonium dichromate
Write the name of the following compound:
KClO
Write the name of the following compound:
Ca3(PO4)2
Fill in the blank with the correct word from the options given below:
Compounds are always _______ in nature.
