Which produce natural gas and biogas?
Methane
Ethane
Propane
Butane
Chemically inert elements are,
Halogens
Alkali metal
Alkaline earth metals
Noble gases
The recently developed materials from carbon with the help of modern technology is
Paints
Carbon fibres
Enamel
Dyes
A homogeneous solid mixture of two or more metals is
Ore
Minerals
Amalgam
Alloy
A bluish white metal is
Aluminium
Gold
Silver
Zinc
Which are generally solids at room temperature?
Metals
Non metals
Metalloids
Compounds
Hydrated copper sulphate (CuSO4. 5H2O) is
Zinc oxide
Lime stone
Blue vitriol
Silicon carbide
A silvery white , liquid metal is
Mercury
Which is prepared by dissolving carbon dioxide in water under high pressure?
Syrup
Soda water
Saline water
Glucose