Chemistry

Which one forms KHX₂ type compound

Which one forms KHX₂ type compound Options (a) HF (b) HCl (c) HI (d) HBr Correct Answer: HFExplanation:No explanation available.…

Which of the following substances is used, in laboratory

Which of the following substances is used, in laboratory, for fast drying of netural gases Options (a) Phosphorus pentoxide (b)…

The best coagulant for the precipitation of Fe(OH)₃ is

The best coagulant for the precipitation of Fe(OH)₃ is Options (a) Na₂HPO₃ (b) NaNO₃ (c) Na₃PO₄ (d) Na₂SO₄ Correct Answer:…

The physical adsorption of gases on the solid surface is due to

The physical adsorption of gases on the solid surface is due to Options (a) van der Waals forces (b) covalent…

Which of the following oxides is used in lead storage battery

Which of the following oxides is used in lead storage battery Options (a) PbO (b) PbO₂ (c) Pb₂O₃ (d) Pb₃O₄…

In which cell the free energy of a chemical reaction is directly converted into

In which cell the free energy of a chemical reaction is directly converted into electricity Options (a) Concentration cell (b)…

Number of chloride ions around a single sodium ion in NaCl crystal is

Number of chloride ions around a single sodium ion in NaCl crystal is Options (a) 3 (b) 4 (c) 6…

In tetragonal crystal system, which of following is not true

In tetragonal crystal system, which of following is not true Options (a) All axial lengths and all axial angles are…

Which of the following shows geometrical isomerism

Which of the following shows geometrical isomerism Options (a) propene (b) 1-butene (c) 1,1-dichlorobutane (d) 2-butene Correct Answer: 2-buteneExplanation:No explanation…

Which gas is formed when CaC₂ reacts with H₂O

Which gas is formed when CaC₂ reacts with H₂O Options (a) Acetylene (b) Methane (c) Ethylene (d) Ethane Correct Answer:…