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प्रश्न
With reference to the following metals state their use in daily life metal:
Aluminium
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उत्तर
Aluminium:
- Making utensils as a metal, it is easily moulded in utensils.
- In paints – Aluminium powder is mixed with linseed oil as it is anti-corrosive in nature.
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संबंधित प्रश्न
The atomic number of an element Y is 16.
(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?
(b) Which inert gas is nearest to Y?
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
Fill in the blank
A metal that gives dazzling effect to crackers when they explode is ______
Aluminium is not used to make :
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
State two important uses of following metal.
Uses of copper
State the position of the following in the periodic table:
Aluminium
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write name.
The reagent that dissolves noble metals.
Match the alloys given in column I to the uses given in column II :
| Column I | Column II |
| (i) Duralumin | A. Electrical fuse |
| (ii) Solder | B. Surgical instruments |
| (iii) Brass | C. Aircraft body |
| (iv) Stainless Steel | D. Decorative articles |
With reference to the following metal state its use in daily life:
Magnesium
Name the following:
The most reactive halogen.
Aluminium: _______: gold : : electric insulator
An element which is always lustrous, malleable and ductile is ______.
Assertion: Mercury is solid in room temperature.
Reason: Mercury is a non-metal.
Which of the following two combinations are correct?
| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
Metals and non–metals are used for making ______, ______ and ______.
Metals have high melting points.
