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प्रश्न
Silver metal can displace hydrogen gas from nitric acid.
विकल्प
True
False
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उत्तर
False
Correct statement: In the activity series, any metals that are below hydrogen will not react with HNO3.
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संबंधित प्रश्न
How do the following help in bringing about a chemical change?
catalyst .
Complete and balance the following chemical equations:
Zn + `"H"_2"SO"_4` `→`
(dil)
Explain the type of reactions on the basis of the direction of reaction.
Define a photochemical reaction.
Give a chemical test to distinguish between the following gases.
HCl and H2S
Distinguish by dilute sulphuric acid.
Sodium sulphide and sodium sulphite?
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A white solid which evolves two colourless gases which on cooling combine and condense on the cooler parts of the test tube.
Complete the table given below.
| Addition of dil. H2SO4 to FeS | Odour of gas evolved |
Complete the table given below.
| Addition of dil. H2SO4 to KHCO3 | Name of residue obtained |
Write the characteristics of chemical change.
