Related Questions

The price of a pen is 25% more than the price of a book . The Price of a pen holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?
A 50%
B 25%
C 20%
D 37.5
The price of a pen is 25% more than the price of a book. The price of a pen holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?
A 20%
B 25%
C 50%
D 37.5%
The price of a pen is 25% more than the price of a book. The price of a fan holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?
A 20 %
B 25%
C 35%
D 15%
Gas holder of a gobar (cowdung) gas plant is made of
A Molybdenum stainless steel
B Tin
C Mild steel
D Aluminium
For gas welding, the pressure desired at the welding torch for acetylene is
A 7 to 103 kN/m2
B 70 to 280 kN/m2
C 280 to 560 kN/m2
D 560 to 840 kN/m2
What is the chemical symbol of acetylene gas?
A CH2
B CH3
C C3H2
D C2H2
Acetylene gas is stored in cylinders in
A Solid form
B Gaseous form
C Liquid form
D Any one of these
Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain
A CO
B CO2
C H2O
D Both B & C
Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of
A Rubber lined mild steel
B Lead lined mild steel
C Aluminium
D Cast iron
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 $$\frac{{\text{M}}}{2}$$
C M
D $$\frac{{\text{M}}}{4}$$

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