Advertisements
Advertisements
प्रश्न
Write the formula of the following compound:
Zinc hydroxide
Advertisements
उत्तर
Zinc hydroxide - Zn[OH]2 - `"Zn"^(2+)["OH"]^(1-)`
APPEARS IN
संबंधित प्रश्न
What is meant by the symbol of an element ? Explain with examples.
Give the formula and valency of:
aluminium ………………. .
Complete the following statement by selecting the correct option :
The correct formula of aluminium oxide is
Correct the following statement:
A molecular formula represents an element.
Correct the following statement:
Molecular formula of water is H2O2
Give the empirical formula of : Benzene C6H6
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
Match the following:
| Column A | Column B |
| (a) Pb(NO3)2 | (i) rotten eggs smell |
| (b) CO2 | (ii) burns with a pop sound |
| (c) (NH4)2Cr2O7 | (iii) the suffocating smell of sulphur |
| (d) HCI | (iv) lime water turns milky |
| (e) NO2 | (v) crackling sound |
| (f) O2 | (vi) residue swells up |
| (g) H2 | (vii) brown gas |
| (i) H2S | (viii) supports combustion |
| (j) SO2 | (ix) fumes with NH3 solution |
Name the element in the compound and give the formula of the following compound:
Carbonic acid
Name the element in the compound and give the formula of the following compound:
Ethanol
Write the formula of the following compound:
Potassium bicarbonate
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Sodium bicarbonate
Write the formula of the following compound:
Magnesium chloride
Write the formula of the following compound:
Copper [I] oxide
Write the formula of the following compound:
Copper [II] nitrate
Write the formula of the following compound:
Tetra amine copper [II] sulphate
Write the chemical formula for the following compounds
- Aluminium sulphate
- Silver nitrate
- Magnesium oxide
- Barium chloride
Write the molecular formulae for the following compounds
Mercury (II) chloride
