Advertisements
Advertisements
प्रश्न
Silver metal can displace hydrogen gas from nitric acid.
विकल्प
True
False
उत्तर
False
Correct statement: In the activity series, any metals that are below hydrogen will not react with HNO3.
APPEARS IN
संबंधित प्रश्न
How would you show that setting of curd is a chemical change?
Complete and balance the following chemical equations:
`"H"_2"S"` + `"CI"_2` `→`
State four conditions necessary for a chemical reaction to take place.
Balance the following equation :
Fe + H2O → Fe3O4 + H2
A solution of a substance ‘X’ is used for white washing write the reaction of the substance ‘X’ named in (a) above with water.
Distinguish by heating the following in dry test tubs.
Ammonium Chloride and iodine.
Give reason for the following:
The catalytic oxidation of sulphur dioxide to sulphur trioxide is represented by a double arrow {⇌}
between the reactants and products, formed in the chemical reaction.
Give balanced equation for the following conversion affected by heat alone on the substance:
Ammonium dichromate to nitrogen
Complete the table given below.
| Heat on Zinc nitrate | Colour of residue |
What is the role of a catalyst in a chemical reaction?
