The element whose oxide will turn red litmus solution to blue will be:
(a) sodium
(b) sulphur
(c) carbon
(d) sonorousness
The salt whose aqueous solution will turn blue litmus to red is :
(a) ammonium sulphate
(b) sodium acetate
(c) sodium chloride
(d) potassium carbonate
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is :
(a) potassium sulphate
(b) sodium sulphate
The elements whose oxides can turn limus solution red are: (a) lithium and sodium (b) co.
copper and potassium (c) carbon and hydrogen (d) phosphorus and sulphur