7. Write True for the true statement and False for the false one.
(c).The number of sulphur atoms in H2SO4 is 1.
Hence, the given statement is true
(d). The valency of sodium is 1.
(a). The symbol of chlorine is Ch
D. Write ‘True' or ‘False’ for the following statements.
Air is necessary for combustion. (True or False). Also write the false statements in their correct form.
State whether the following statements are true or false and write the false statement correctly: Rusting is good for iron metal.