Bell metal is an alloy of
1 Brass an nickel
2 Zinc and copper
3 Tin and copper
4 None of these
Explain about the methods of sterilization of DMEM?
What is a nuclear triad?
there are 3 sources of resistance in a parallel circuit's. 2 of them are rated at 20 ohms, the other at 10 ohms. what is the circuit's total resistance?
A team of u.n scientists visited thumba?
what are the sociological theories apply in pakistani society?
How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine
When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these
methane is not present in
Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these
The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold
13 Answers FCI, University of Ilorin,
A moderator is used in nuclear reactors in order to 1 Increase the number of neutrons 2 Decrease the number of neutrons 3 Slow down the speed of neutrons 4 Accelerate the neutrons
Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen