Beet root if kept in cold water anthocyanin does not come out due to plasma membrane
Beet root if kept in cold water anthocyanin does not come out due to plasma membrane Options (a) Differentially permeable…
5 years ago
BHU2003
Radius of a soap bubble is increased from R to 2R. Work done in this process
Radius of a soap bubble is increased from R to 2R. Work done in this process in terms of surface…
5 years ago
What is the pressure of 64g O₂ enclosed in a cylinder of 20 litres at 27⁰C
What is the pressure of 64g O₂ enclosed in a cylinder of 20 litres at 27⁰C Options (a) 2.5 atm…
7 years ago
A particle is executing the motion x=Acos (ωt-θ). The maximum velocity of the particle is
A particle is executing the motion x=Acos (ωt-θ). The maximum velocity of the particle is Options (a) Aω cosθ (b)…
7 years ago
Position of hydrogen in periodic table is such that it can be placed in
Position of hydrogen in periodic table is such that it can be placed in Options (a) both 1st and 17th…
7 years ago
In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as Options (a) 7 → 4 (b) 5…
7 years ago
When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
When temperature of an ideal gas is increased from 27⁰C to 227⁰C, its r.m.s. speed changes from 400 m/s to…
7 years ago
The percent law of energy transfer, in a food chain, was enunciated by
The percent law of energy transfer, in a food chain, was enunciated by Options (a) Lindeman (b) Haeckel (c) Elton…
7 years ago
Choose the correct statements
Choose the correct statements Options (a) [Cr(NH₃)₆]³⁺ is diamagnetic (b) Oxidation state of Ni in [Ni(CO)₄] complex is zero (c)…
7 years ago
The role of cryolite in the metallurgy of extraction of aluminium is to
The role of cryolite in the metallurgy of extraction of aluminium is to Options (a) increase the conductivity of the…
7 years ago