Advertisements
Advertisements
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.
उत्तर
Copper carbonate CuCO3.
APPEARS IN
संबंधित प्रश्न
What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.
Aluminium is not used to make :
State the position of the following in the periodic table:
Alkaline earth metals
Write name.
Alloy of sodium with mercury.
Write scientific reason.
Pine oil is used in froth flotation.
When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical equation.
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
The ability of metals to be drawn into thin wire is known as
Which metals are liquid at room temperature?
