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प्रश्न
You are given a solution of AgNO3. Which of the following do you think cannot displace Ag from AgNO3solution?
(a) Magnesium
(b) Zinc
(c) Gold
(d) Copper
उत्तर
(c) Gold
Because gold is less reactive than silver. The other metals are more reactive than silver and can displace it from silver nitrate solution.
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संबंधित प्रश्न
Name the following:
Metals which forms an amphoteric oxide.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
How do metals react with hydrogen? Explain with an example.
What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
Why is white phosphorus kept immersed under water?
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?
Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.
(a) What is the nature of oxide A2O3?
(b) What is the nature of oxide BO?
(c) Name one metal like A.
(b) Name one metal like B.
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
- Good thermal conductivity
- Good electrical conductivity
- Ductility
- High melting point
The substance that will be flattened on beating with a hammer is
