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प्रश्न
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.
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उत्तर
Copper carbonate CuCO3.
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संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
State one use of Copper.
State one use of Aluminium.
Mention two uses of the following metals and non-metals
Oxygen
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
With reference to the following metals state their use in daily life metal:
Silver
The minerals from which the metal can be separated economically are called _______.
The most abundant element in the universe is ____________.
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
