Chemistry

In which process,fused sodium hydroxide is eletrolysed at a 330⁰C temperature

In which process,fused sodium hydroxide is eletrolysed at a 330⁰C temperature for extraction of sodium Options (a) Castner's process (b)…

Bleaching powder is prepared from the reaction of

Bleaching powder is prepared from the reaction of Options (a) slacked lime and chlorine (b) quicklime and chlorine (c) burnt…

Formula of gypsum is

Formula of gypsum is Options (a) CaSO₄.2H₂O (b) CaSO₄.1/2H₂O (c) 3CaSO₄.H₂O (d) 2CaSO₄.2H₂O Correct Answer: CaSO₄.2H₂OExplanation:No explanation available. Be the…

Correct order of the stability of group IIA metal carbonates is

Correct order of the stability of group IIA metal carbonates is Options (a) MgCO₃ > CaCO₃ > SrCO₃ > BaCO₃…

Choose the incorrect statement in the following

Choose the incorrect statement in the following Options (a) BeO is almost insoluble but BeSO₄ is solution in water (b)…

The alkali halide that is soluble in pyridine is

The alkali halide that is soluble in pyridine is Options (a) NaCl (b) LiCl (c) KCl (d) CsI Correct Answer:…

The increasing order of the density of alkali metals

The increasing order of the density of alkali metals Options (a) Li < K < Na < Rb < Cs…

Choose the paramagnetic oxide in the following

Choose the paramagnetic oxide in the following Options (a) Na₂O (b) MgO (c) KO₂ (d) BeO Correct Answer: KO₂Explanation:No explanation…

Which one of the following metals is required as cofactor by all enzymes

Which one of the following metals is required as cofactor by all enzymes utilizing ATP in phosphate transfer Options (a)…

Which one of the following does not react with water even under red hot condition

Which one of the following does not react with water even under red hot condition Options (a) Na (b) Be…