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प्रश्न
What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
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उत्तर
When dilute sulphuric acid is poured on a copper plate, there will be evolution of hydrogen gas along with the formation of blue color crystals of coppersulphate.
Cu + H2SO4 → CuSO4 + H2
संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Fill in the blank
A metal that gives dazzling effect to crackers when they explode is ______
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Water.
Write scientific reason.
Sodium is always kept in kerosene.
With reference to the following metals state their use in daily life metal:
Zinc
Name the following:
A metal used in flexible pipes.
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The most abundant metal in the earth’s crust is ____________.
Name two soft metals which can be cut with a knife.
