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प्रश्न
Aluminium is not used to make :
पर्याय
Foils
Wires
Fireworks
Utensils
उत्तर
Fireworks
APPEARS IN
संबंधित प्रश्न
State one use of Aluminium.
What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.
How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
Give reasons
Aluminium is used in making aircrafts.
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
Name a metal which is best conductor of electricity :
State the position of the following in the periodic table:
Iron and zinc
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Oxygen
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Water.
When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.
Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.
Why are bells made of metals?
Which of the following two combinations are correct?
| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
The ability of metals to be drawn into thin wire is known as
Which one of the following metals do not react with cold as well as hot water?
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Metals and non–metals are used for making ______, ______ and ______.
Why are metalloids called semimetals?
