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प्रश्न
Silver metal can displace hydrogen gas from nitric acid.
पर्याय
True
False
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 would you show that setting of curd is a chemical change?
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer
Which of the following is a reducing agent?
- oxygen
- chlorine
- hydrogen
- none of these
Name the type of chemical reaction shown by the following equation:
Fe + CuSO4 → FeSO4 + Cu
Out of sodium and sulphur which is a metal? Explain its reaction with the oxygen.
Give an example of the following chemical change.
Two gases combine to form white solid
Write your observation and a balanced equation in the case of the following substances being heated.
Copper nitrate.
Complete the table given below.
| Heat on copper carbonate | Test for gas evolved |
Select the correct answer from the options given below:
State the gaseous product formed, when
An active metal reacts with dilute sulphuric acid.
Anaerobic bacteria digest animal waste and produce biogas (Change – A). The biogas is then burnt as fuel (Change – B). The following statements pertain to these changes. Choose the correct one.
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.
