1 bar is almost equal to __________________________ atmosphere?
1 bar is almost equal to __________________________ atmosphere?
A. 1
B. 10
C. 100
D. 1000
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1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?
1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?A. 5
B. 10
C. 15
D. 20Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the_________________?
Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the_________________?A. Recycling
B. Purging
C. Bypassing
D. RecirculationIn physical adsorption, as compared to chemisorption, the________________________?
In physical adsorption, as compared to chemisorption, the________________________?A. Quantity adsorbed per unit mass is higher
B. Rate of adsorption is controlled by the resistance to surface reaction
C. Activation energy is very high
D. Heat of adsorption is very largeThe density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?A. 2M
B. M/2
C. M
D. M/4In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the______________?
In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the______________?A. Solute concentration
B. Temperature
C. Both A. & B.
D. Neither A. nor B.S.T.P. corresponds to _________________?
S.T.P. corresponds to _________________?A. 1 atm. absolute pressure & 15.5°C
B. 760 mm Hg gauge pressure & 15.5°C
C. 760 torr & 0°C
D. 101.325 kPa gauge pressure & 15.5°C