Which of the following molecules is joined by a double covalent bond?
View Answer Report Error Discuss
Which metal is liquid at room temperature?
Mercury is the only metal that remains in liquid at room temperature.
Which among the following is false about acids?
Earth's crust mainly contains ______.
....... is displaced when zinc is added to the solution of copper sulphate
The common name of lead (II) sulphide is
Which among the following is false about viscosity?
Besides CO2, the other green house gas is