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State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KCr2O7
Concept: undefined >> undefined
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaCO3
Concept: undefined >> undefined
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State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Ca2(PO4)3
Concept: undefined >> undefined
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Mg(SO4)2
Concept: undefined >> undefined
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
Concept: undefined >> undefined
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KNO3
Concept: undefined >> undefined
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaClO
Concept: undefined >> undefined
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
BaCl2
Concept: undefined >> undefined
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.
Concept: undefined >> undefined
Select the basic and acidic radicals in the following compounds.
MgSO4
Concept: undefined >> undefined
Select the basic and acidic radicals in the following compounds.
(NH4)2SO4
Concept: undefined >> undefined
Select the basic and acidic radicals in the following compounds.
Al2(SO4)3
Concept: undefined >> undefined
Select the basic and acidic radicals in the following compounds.
ZnCO3
Concept: undefined >> undefined
Select the basic and acidic radicals in the following compounds.
Mg(OH)2
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Bismuth nitrate
Concept: undefined >> undefined
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Calcium bromide
Concept: undefined >> undefined
Write the chemical name of the following compound:
Ca3(PO4)2
Concept: undefined >> undefined
Write the chemical name of the following compound:
K2CO3
Concept: undefined >> undefined
Write the chemical name of the following compound:
K2MnO4
Concept: undefined >> undefined
