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प्रश्न
Match the columns.
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
उत्तर
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
संबंधित प्रश्न
Write the name and formulae of a metal hydride.
State one use of Mercury.
What is an amalgam?
What is an alloy? Give two examples of alloys.
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 the position of the following in the periodic table:
Iron and zinc
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Why is hydrogen placed with alkali metals?
Write name.
The device used for grinding an ore.
Write name.
The reagent that dissolves noble metals.
With reference to the following metals state their use in daily life metal:
iron
With reference to the following metals state their use in daily life metal:
Silver
Name the following:
The most reactive halogen.
Aluminium: _______: gold : : electric insulator
Halogen reacts with acid.
Complete the following flow chart.
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
The typical shine of metals is called ______.
