Chemistry

Dalton predicted

Dalton predicted Options (a) law of partial pressure (b) law of multiple proportions (c) law of diffusion (d) law of…

A bivalent metal has the equivalent weight of 12. The molecular weight

A bivalent metal has the equivalent weight of 12. The molecular weight of its oxide will be Options (a) 36…

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume will…

Metallic crystalline solids have

Metallic crystalline solids have Options (a) low melting and boiling point (b) are bad conductors (c) are good conductors of…

Dynamite contains

Dynamite contains Options (a) H₂SO₄ (b) saw dust (c) both of these (d) none of these Correct Answer: saw dustExplanation:Dynamite…

Which of the following amino acids is basic in nature

Which of the following amino acids is basic in nature Options (a) Serine (b) Glutamine (c) Arginine (d) none of…

Enzymes actually

Enzymes actually Options (a) are biological catalysts (b) are biochemical enhancers (c) decrease rate of reaction (d) increase activation energy…

Best method to form aromatic iodide is

Best method to form aromatic iodide is Options (a) ArN₂⁺ + HI → (b) RNH₂ + I₂ → (c) ArN₂⁺…

The bad smelling substance, formed by the action of alcoholic caustic potash

The bad smelling substance, formed by the action of alcoholic caustic potash on chloroform and aniline, is Options (a) nitrobenzene…

An acyl halide is formed when PCl₅ reacts with an

An acyl halide is formed when PCl₅ reacts with an Options (a) amide (b) ester (c) acid (d) alcohol Correct…