Rubber is coagulated from latex by adding
1 Hydrochloric acid
2 Acetic acid
3 Sulphuric acid
4 Carbonic acid
The human skull rests on which bone? a)Manubrium b)Atlas c)Mandible d)Sternum
Which one of the following is the petroleum wax? 1 Bees wax 2 Carnauba wax 3 Paraffin wax 4 Jojoba wax
Names of some plants and trees that sleep during the day
Which of the following metals can displace hydrogen from dilute acids? 1 Zinc 2 Gold 3 Copper 4 Silver
What is the microbiology ?
Why we use nhexane inplace of hexane in mobilepase preparation
The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these
What is the significance of international geo - physical year?
the colour of a star is an indication of its?
how is rrb model question paper for science junior engineer gr.II
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
Which of the following is in liquid form at room temperature? 1 Cerium 2 Sodium 3 Francium 4 Lithium