Advertisements
Advertisements
प्रश्न
Give an example of a reaction where the following are involved:
Close contact
Advertisements
उत्तर
\[\ce{Pb(NO3)2(s) + 2KI (s) -> 2KNO3 + PbI2 (s)}\]
APPEARS IN
संबंधित प्रश्न
Multiple choice:
Which of the following is not a characteristic of a chemical change?
Distinguish by dilute sulphuric acid.
Copper and magnesium?
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
Give a balanced equation for a reaction involving the evolution of gas on the addition of dilute acid to calcium carbonate.
Select the correct answer from the options given below:
State the gaseous product formed, when
An ammonium salt reacts with an alkali.
What is the use of indicator?
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Can you change rust back into iron by some simple method?
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Are these changes chemical in nature?
Acid rain is a result of ______.
Collect information about the types of fuels used for cooking in your area. Discuss with your teachers/parents/others which fuels are less polluting and why.
