List of practice Questions

Plain carbon steels mainly differ from each other in terms of:
Pig iron is produced in a:
In a thermal equilibrium (phase) diagram of iron-carbon system, eutectoid point occurs at:
The Brinell hardness test measures hardness by:
The area under the stress-strain curve up to the fracture point represents:
Which mechanical property of a metal represents its ability to resist permanent deformation?
The BOD of highly polluted water is
The oxide of nitrogen responsible for depletion of ozone layer is
Which of the following in not to be considered as a primary fuel?
The polymer used in making gaskets and non-stick coating utensils is
The structure of Buna-S polymer is
Which of the following is a natural polymer?
During Vulcanization of raw rubber, the chemical added to it is
In galvanised iron
Identify the incorrect statement about the corrosion
The type of functional group associated with cation exchange resin is
A sample of water is known to contain $Mg(HCO_{3})_{2} = 7.3$ mg/L, $Ca(HCO_{3})_{2} = 8.1$ mg/L and $27.2$ mg/L of $CaSO_{4}$. The total hardness associated with water sample (in ppm) in equivalents of $CaCO_{3}$ is
The exhausted anion-exchange resin is regenerated with
Which of the following is a weak electrolyte?
The wrong statement regarding Galvanic cell is
Electrolysis of an aqueous solution of $Na_{2}SO_{4}$ between Pt electrodes liberate a gas X at anode and gas Y at cathode. X and Y respectively are}
According to Arrhenius theory of acids and bases, which of the following is an example of Arrhenius base?
100 mL of 0.1M $HCl$ and 100 mL of 0.05 M $H_{2}SO_{4}$ are mixed and the solution is diluted to 2.0 L by adding water. The pH of the resulting solution is
Identify the pair of gases which have same number of molecules at S.T.P?
Which of the following has highest equivalent weight? (Given: At.wt $H=1, C=12, O=16, S=32, Na=23, Ca=40$)