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प्रश्न
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Give the composition of an alloy called solder. State its one property and one use.
The alloy in which one of the metals is mercury is called an ______.
The electrical conductivity and melting point of an alloy is ______ than that of pure metals.
What is an alloy?
Give reasons
Aluminium is used in making aircrafts.
Give two uses of Germanium
State two important uses of following metal
Uses of mercury
Why is hydrogen placed with alkali metals?
Why are alkali metals kept in kerosene oil?
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write name.
The device used for grinding an ore.
Write scientific reason.
Sodium is always kept in kerosene.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3
With reference to the following metals state their use in daily life metal:
Silver
Soft metal : Na : : hard metal : _______
Complete the following flow chart.
What is ductility?
Why do metals appear shiny?
