1 BTU/lb.←°F is equivalent to ____________ kcal/kg.°C?
1 BTU/lb.←°F is equivalent to ____________ kcal/kg.°C?
A. 1
B. 2.42
C. 1.987
D. 4.97
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The viscosity of water at room temperature may be around one ___________________?
The viscosity of water at room temperature may be around one ___________________?A. Centipoise
B. Poise
C. Stoke
D. Both B. & C.1 gm mole of methane (CH4) contains_________________?
1 gm mole of methane (CH4) contains_________________?A. 6.02 × 1023 atoms of hydrogen
B. 4 gm atoms of hydrogen
C. 3.01 × 1023 molecules of methane
D. 3 gms of carbonHeat of reaction is a function of the___________________?
Heat of reaction is a function of the___________________?A. Pressure
B. Temperature
C. Both A. & B.
D. Neither A. nor B.In general, the specific heats of aqueous solutions _____________ with increase in the concentration of the solute?
In general, the specific heats of aqueous solutions _____________ with increase in the concentration of the solute?A. Increase
B. Decrease
C. Remain unchanged
D. None of these_____________ kg of CaC03 on heating will give 56 kg of CaO?
_____________ kg of CaC03 on heating will give 56 kg of CaO?A. 56
B. 100
C. 144
D. 1000An ideal gas can be liquefied, because ___________________?
An ideal gas can be liquefied, because ___________________?A. Its molecular size is very small
B. Its critical temperature is more than 0°C
C. Forces operative between its molecules are negligible
D. It gets solidified directly without becoming liquid