Advertisements
Advertisements
प्रश्न
State whether the following statements are true or false:
When a candle burns, both physical and chemical changes take place.
विकल्प
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Name three reducing agents ?
Choose the correct option from the bracket and explain the statement giving reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
The conversion of ferrous sulphate to ferric sulphate is ______ reaction.
Give an example of a reaction where the following are involved:
Solution
Define Electrochemical reaction
Give an example
Give a chemical test to distinguish between the following gases.
SO2 and Cl2
Give a suitable example with an equation to show the representation of a chemical reaction.
Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.
Which of the following is a chemical change?
Give two examples for each of the following cases:
Chemical changes.
Write a note on the following:
Curdling of milk
