A. contain strong electrostatic forces of attraction B. conduct electricity in the molten state C. dissolve in water D. have…
A. CuSO4 B. CaCO3 C. FeS D. Na2SO3 E. K2CO3 Correct Answer: Option A - CuSO4
A. variable oxidation states B. tendency to form complex ions C. formation of coloured ions D. ability to act as…
A. carbon (IV) oxide and sodium hydride B. carbon (IV) oxide and soudium trioxocarbonate (IV) C. sodium trioxocarbonate (IV) and…
Zn (s) + CuSO4(aq) → ZnSO4(aq) + Cu (s) [Cu =63,5, Zn = 65] A. 0.1 mole B. 0.2 mole…
A. Lead B. Copper C. Iron D. Calcium E. Aluminium Correct Answer: Option E - Aluminium
A. colourless B. a cooling agent C. alkaline to litmus D. a reducing agent E. very soluble in water Correct…
A. fractional distillation of liquefied air B. decomposition of ammonium dioxonitrate (lll) C. electrolysis of brine D. Haber process E.…
MnO2 + 4HCI2 + CI2 + 2H2O A. Bleaching agent B. Oxidizing agent C. Amphoteric oxide D. Basic oxide E.…
A. forms insoluble calcium and magnesium salts B. is made from fats and oils C. has an organic component D.…