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प्रश्न
Aluminium is not used to make :
पर्याय
Foils
Wires
Fireworks
Utensils
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उत्तर
Fireworks
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संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Copper displaces zinc from zinc sulphate solution. ( )
Give a reason for Alkali metals are good reducing agents.
State one use of Copper.
Give the composition of an alloy called solder. State its one property and one use.
Explain how, a reduction reaction of aluminium can be used for welding cracked machine parts of iron. Write a chemical equation for the reaction involved.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
State two important uses of following metal:
Uses of gold
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Hydrochloric acid,
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 metals state their use in daily life metal:
copper
With reference to the following metals state their use in daily life metal:
Lead
State why telegraph poles are painted with aluminium paint.
Complete the following flow chart.
The most abundant metal in the earth’s crust is ____________.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
All gases are ______.
Silver and copper are very good conductors of electricity.
