Which one is least ionic in nature and decompose on heating ?
A. LiOH B. NaOH C. KOH D. CsOH
Chemistry MCQs
The word Alkali means__________________?
A. Base B. Basic salt C. Ashes D. Spirit
Which element is necessary for normal leaf development ?
A. Si B. Ba C. Mg D. Ca
Nitrates of which pair of elements give different products on thermal decomposition ?
A. Na K B. Mg Ca C. Li Na D. Li Ca
Which of the following sulphates is not soluble in water ?
A. Sodium sulphate B. Potassium sulphate C. Zinc sulphate D. Barium sulphate
The ore CaSO4.H2O has the general name_______________?
A. Gypsum B. Dolomite C. Calcite D. Plaster of Paris
Which one of the following substances conducts electricity by the movement of ions ?
A. Graphite B. Copper C. Molten sodium chloride D. Mercury
Which one of the following carbonate is water insoluble ?
A. Na2CO3 B. K2CO3 C. (NH4)2CO3 D. CaCO3
In diaphragm cell hydrogen is discharged by the reduction of__________________?
A. Water B. HCI C. Na+ D. NaCl
Gypsum is applied to the soil as a source of________________?
A. Ca and P B. S and P C. Ca and S D. we could not apply