A container with a pin-hole contains equal moles of H2(g) and O2(g). Find the fraction of oxygen gas escaped at the same time when one-fourth of hydrogen gas escapes
Correct Answer: 1
What are the conditions for gas like Carbon monoxide to obey the ideal gas laws?
Correct Answer: 3
If the temperature is doubled, the average velocity of a gaseous molecule increases by
Correct Answer: 2
Find the molecular mass of a gas that takes three times more time to effuse as compared to He with the same volume
Correct Answer: 4
At the same temperature, the average molar kinetic energy of N2 and CO is
Correct Answer: 3
Find the temperature at which the rate of effusion of N2 is 1.625 times to that of SO2 at 500?
Correct Answer: 1
If 1.204 x 1021 molecules of H2SO4 are removed from 392 mg of H2SO4, find the moles of H2SO4 left.
Correct Answer: 4
Find the fraction of the total pressure exerted by hydrogen if it is mixed with ethane in an empty container at 25?
Correct Answer: 1
Acetamide can be converted to methenamine by which of the following reactions?
Correct Answer: 2
An aldehyde on reaction with primary amine forms
Correct Answer: 2
Benzene-diazonium chloride on reaction with phenol in weakly basic medium gives
Correct Answer: 2
Which one of the following does not contain the -COOH group?
Correct Answer: 1
C3H9N can have how many structural isomers?
Correct Answer: 3
Products formed when Nitrobenzene reacts with HNO3/H2SO4 at 80-100?C
Correct Answer: 4
Benzene forms Nitrobenzene on reaction with conc. HNO3/H2SO4, in the reaction HNO3 acts as a
Correct Answer: 3
The bad-smelling substance formed by the action of alcoholic caustic potash on chloroform and aniline is
Correct Answer: 1
Which of the following compound will form secondary amine on reaction with LiAlH4?
Correct Answer: 2
Find the compound which is more basic than aniline
Correct Answer: 3
Nylon threads are made of
Correct Answer: 2
Which of the following is a branched polymer?
Correct Answer: 1
On the basis of mode of formation polymers can be classified:
Correct Answer: 4
The process of heat softening, moulding and cooling to rigidness can be repeated for which plastics?
Correct Answer: 1
The polymer used in making hair synthetic hair wigs is mage up of
Correct Answer: 1
Which of the following monomers form biodegradable polymers?
Correct Answer: 4
In addition polymer, monomer used is
Correct Answer: 1
Polymer formation from monomer starts by
Correct Answer: 1
Which of the following statements is not correct for fibres?
Correct Answer: 4
Which of the following does not undergo additional polymerization?
Correct Answer: 4
If the standard free energy change for a reaction is 1.546 kJ/mol at 500oC then the value of the standard equilibrium constant for the reaction is
Correct Answer: 2
The standard free energy of formation of NO(g) is
Correct Answer: 2
If one gram of kerosene liberates 46.0 kJ of heat when it is burned, to what temperature can 0.25g of kerosene raise the temperature of 75 cm3 of water at 25oC?
Correct Answer: 1
Which of the following is expressed to have the largest bond dissociation enthalpy?
Correct Answer: 1
For a spontaneous process, the change in Gibbs function is equal to the
Correct Answer: 4
Which of the following is an extensive property?
Correct Answer: 1
Chloramine-T is an
Correct Answer: 1
Benzalkonium chloride is a
Correct Answer: 1
Interferon is connected with
Correct Answer: 2
Ibuprofen contains
Correct Answer: 3
Which of the following is a hypnotic drug?
Correct Answer: 1
Which of the following will not act as an antacid?
Correct Answer: 3
The main cause of acidity in the stomach is
Correct Answer: 1
Chloramphenicol is
Correct Answer: 3
One of the most widely used drugs in medicine iodex is
Correct Answer: 1
Which of the following serves as an indicator of atmospheric pollution?
Correct Answer: 4
In 1984, the Bhopal gas tragedy took place because methyl isocyanate
Correct Answer: 2
Negative soil pollution is
Correct Answer: 1
Air pollution that occurs in sunlight is
Correct Answer: 3
The layer of atmosphere between 10km to 50km above the sea level is called as
Correct Answer: 3
The concentration of dissolved oxygen in cold water can go up to
Correct Answer: 3
The quantity of DDT at each trophic level in the food chain
Correct Answer: 4
What is the primary product when ethene reacts with bromine in an aqueous solution?
Correct Answer: 2
Which of the following is not an example of a colligative property?
Correct Answer: 2
In the context of organic chemistry, what type of reaction is represented by the following general form: R-X + Y ? R-Y + X?
Correct Answer: 1
Which of the following metals does not form an oxide with the formula MO?
Correct Answer: 1
What is the role of a catalyst in a chemical reaction?
Correct Answer: 2