Advertisements
Advertisements
Question
Give balanced equation for the following conversion affected by heat alone on the substance:
Zinc nitrate to nitrogen dioxide
Advertisements
Solution
Action of heat on:
\[\ce{\underset{\text{White}}{2Zn[NO3]2} -> \underset{\text{yellow - hot white - cold}}{2ZnO} + \underset{\text{Nitrogen dioxide}}{4NO2} + O2}\]
APPEARS IN
RELATED QUESTIONS
Explain the type of reactions on the basis of the direction of reaction.
What is observed in performing the following :
| Hydrogen | Oxygen | Carbon dioxide | Chlorine | |
| Litmus test | ||||
| Apply a burning splint to the gas | ||||
| Colour of gas | colourless | colourless | colourless | greenish-yellow |
| Odour of gas |
Distinguish by heating the following in dry test tubs.
Zinc carbonate, Copper carbonate and lead carbonate.
Explain the Silver nitrate solution is kept in coloured reagent bottles in the laboratory.
______ gas causes tears in our eyes while cutting onions.
Which of the following is not an “element + element → compound” type reaction?
Burning of paper is the best example of ______ change.
Water boiling into water vapour is an example of chemical change.
State whether the following statement is true or false:
When a candle burns, both physical and chemical changes take place.
The chemical name of baking soda is sodium bicarbonate.
