MEDIUM
Earn 100

Aluminium, even though a reactive metal, does not react with water. Explain why this is so?

Important Questions on Metals and Non-Metals

HARD
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What are amphoteric oxides? Give an example. Write balanced chemical equations to justify your answer.
EASY
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals

Give reason:

Metals like sodium and potassium are stored under oil.

MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions of iron sulphate and copper sulphate. In the second part of her experiment, she added iron metal to another test tubes C and D containing aqueous solutions of aluminium sulphate and copper sulphate. In which test tube or test tubes will she observe colour change ? On the basis of this experiment, state which one is the most reactive metal and why.
EASY
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Aluminium carbide is treated with water, we get
EASY
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Read the following statements.
Statement I: Sodium metal reacts violently with water to produce heat and fire.
Statement II: Potassium metal reacts violently with water to form potassium hydroxide and hydrogen gas.
 Select the correct answer from the option given below
EASY
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What happens when steam is passed over red-hot iron. Write only chemical equation.
EASY
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Why should we not throw small pieces of sodium into a laboratory sink?
MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Which metal produces dihydrogen (H2) gas by reaction with cold water?
HARD
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Explain the reaction of following with water.
(a) potassium
(b) sodium
(c) calcium
HARD
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
The metal M reacts vigorously with water to form a solution S and a gas G. The solution S turns red litmus to blue whereas gas G, which is lighter than air, burns with a pop sound. Metal M has a low melting point and it is used as a coolant in nuclear reactors.
(a) What is metal M?
(b) What is solution S? Is it acidic or alkaline?
(c) What is gas G?
(d) Write a balanced chemical equation for the reaction which takes place when metal M reacts with water.
(e) Is this reaction exothermic or endothermic?
EASY
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Explain the reaction of potassium with water.
EASY
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Compare the chemical properties of metals and non- metals with respect to reaction of water and dilute acids.
HARD
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water.
HARD
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Name the reactions of three metals which react with steam.
HARD
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What is the action of water on magnesium? Write equations of the chemical reactions involved.
HARD
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Compare the chemical properties of metals and non-metals with respect to reaction of water and dilute acids.
MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Why does aluminium not react with water under ordinary conditions?
MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Can we keep sodium immersed underwater? Why?
MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals

Make pairs of substances and their properties

Substance Property
a. Potassium bromide 1. Combustible
b. Gold 2. Soluble in water
c. Sulphur 3. No chemical reaction
d. Neon 4. High ductility

 

MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Give reasons: Sodium, potassium and lithium are stored under oil.