Chemistry

In a metal oxide, there is 20% oxygen by weight. its equivalent weight is

In a metal oxide, there is 20% oxygen by weight. its equivalent weight is Options (a) 64 (b) 32 (c)…

Empirical formula of a compound is CH₂O.If its molecular weight is 180,

Empirical formula of a compound is CH₂O.If its molecular weight is 180,then the molecular formula of the compound is Options…

Two different gases enclosed in different flasks A and B at same temperature and pressure

Two different gases enclosed in different flasks A and B at same temperature and pressure were found to contain same…

PV/T= Constant. A real gas will behave as ideal gas

PV/T= Constant. A real gas will behave as ideal gas Options (a) when both pressure and temperature are high (b)…

Deficiency of vitamine B₁ causes the disease

Deficiency of vitamine B₁ causes the disease Options (a) convulsions (b) beri-beri (c) cheilosis (d) sterility Correct Answer: beri-beriExplanation:Deficiency disease…

Starch is converted into maltose by an enzyme

Starch is converted into maltose by an enzyme Options (a) zymase (b) maltase (c) diastase (d) invertase Correct Answer: diastaseExplanation:No…

Pyridine is less basic than triethylamine because

Pyridine is less basic than triethylamine because Options (a) pyridine has aromatic character (b) nitrogen in pyridine is sp² hybridised…

Acetamide reacts with NaOBr in the alkaline medium to form

Acetamide reacts with NaOBr in the alkaline medium to form Options (a) CH₃CN (b) NH₃ (c) CH₃CH₂NH₂ (d) CH₃NH₂ Correct…

The intermediate formed in aldol condensation is

The intermediate formed in aldol condensation is Options (a) aldol (b) carbanion (c) alcohol (d) α-hydrogen ester Correct Answer: carbanion…

Pyruvic acid is obtained by

Pyruvic acid is obtained by Options (a) oxidation of formaldehyde cyanohydrin (b) oxidation of acetaldehyde cyanohydrin (c) oxidation of benzaldehyde…