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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
विकल्प
True
False
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उत्तर
True.
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Copper displaces zinc from zinc sulphate solution. ( )
State five uses of metals
State one use of Aluminium.
What is an amalgam?
Fill in the following blank with suitable word:
Brass is an alloy of copper and .........
Give two uses of Germanium
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Salt of silver, such as ________ is used for making photographic films.
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
State two important uses of following metal:
Uses of silver
State two important uses of following metal
Uses of lead
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Oxygen
Why are alkali metals kept in kerosene oil?
What is it made from? Why?
A pair of tongs.
Name the following:
The most reactive halogen.
Match the columns.
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
Why are bells made of metals?
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
Which metals are liquid at room temperature?
