Which of the following is not soluble in NaOH
Which of the following is not soluble in NaOH Options (a) Fe(OH)₃ (b) Zn(OH)₂ (c) Al(OH)₃ (d) Sn(OH)₂ Correct Answer:…
7 years ago
S and Some P Block Elements
Plaster of paris is used
Plaster of paris is used Options (a) in surgery and dentistry (b) as a white wash (c) as a constituent…
7 years ago
Magnesium does not decompose in
Magnesium does not decompose in Options (a) steam (b) hot water (c) cold water (d) semi-hot water Correct Answer: cold…
7 years ago
K₂Cr₂O₇ on heating with aqueous NaOH gives
K₂Cr₂O₇ on heating with aqueous NaOH gives Options (a) CrO₄²⁻ (b) Cr(OH)₃ (c) Cr₂O₇²⁻ (d) Cr(OH)₂ Correct Answer: CrO₄²⁻Explanation:No explanation…
7 years ago
Bleaching powder is obtained by treating chloride with
Bleaching powder is obtained by treating chloride with Options (a) CaO (b) CaSO₄ (c) CaCO₃ (d) Ca(OH)₂ Correct Answer: Ca(OH)₂Explanation:No…
7 years ago
Grignard reagent is prepared by the reaction between
Grignard reagent is prepared by the reaction between Options (a) zinc and alkyne (b) magnesium and alkane (c) zinc and…
7 years ago
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)…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago