AIIMS2001

Hardest compound of boron is

Hardest compound of boron is Options (a) Magnesium boride (b) aluminium boride (c) boron nitride (d) boron carbide Correct Answer:…

If 0.189g of chlorine containing organic compound gave 0.287g of silver chloride

If 0.189 g of chlorine containing organic compound gave 0.287 g of silver chloride then the percentage of chlorine in…

Which of the following is always feasible

Which of the following is always feasible Options (a) ΔH = TΔS (b) ΔH (+ve),TΔS(-ve) and ΔH>TΔS (c) ΔH(-ve),TΔS(+ve) and…

The IUPAC name of the compound having the formula CCl₃CH₂CHO is

The IUPAC name of the compound having the formula CCl₃CH₂CHO is Options (a) 2,2,2-trichloropropanal (b) 1,1,1-trichloropropanal (c) 3,3,3-trichloropropanal (d) 1,2,1-dichloromethanal…

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.…

Genetic drift operates only in

Genetic drift operates only in Options (a) island population (b) smaller population (c) larger population (d) mendelian population Correct Answer:…

Classical experiment to prove essentially of CO₂ for photosynthesis was given by

Classical experiment to prove essentially of CO₂ for photosynthesis was given by Options (a) Arnon (b) Von Moll (c) Calvin…

The tension in a piano wire is 10 N. What should be the tension in the wire to produce

The tension in a piano wire is 10 N. What should be the tension in the wire to produce a…

The dual nature of light is exhibited by

The dual nature of light is exhibited by Options (a) Photoelectric effect (b) Refraction and interference (c) Diffraction and reflection…

In a circuit, the current lags behind the voltage by a phase difference of π/2.

In a circuit, the current lags behind the voltage by a phase difference of π/2. The circuit contains which of…