Advertisements
Advertisements
Question
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Zinc carbonate.
Advertisements
Solution
Solid residual product of thermal decomposition of:
| Zinc carbonate | \[\ce{\underset{\text{Zinc oxide}}{ZnO}}\] | White |
APPEARS IN
RELATED QUESTIONS
What are oxides ?
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Which one of the following alters the rate of the chemical reaction without itself undergoing any change?
- temperature and Pressure
- concentration of reactants
- presence of catalyst
- none of these
FILL IN THE BLANK
Distillation is a method of obtaining pure ............. from a solution.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
The white particles of baking soda disappear when put in lemon juice. This means that it is a ______ change.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Water
When electric current is passed through acidulated water ______ of water takes place.
Give an example of a reaction where the following are involved
Electricity
Define a photochemical reaction.
Distinguish by heating the following in dry test tubs.
Copper Sulphate and copper carbonate
______ is the chemical name of slaked lime.
