Which of the following is used as a filler in rubber tyres?
1 Graphite
2 Coal
3 Coke
4 Corbon black
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
What are luminous irregular nebulae?
What vendors does Ameber Recommed?
why is it important that sex cells have half the number of Chromosomes as body cells?
exactly how does an RTD 3 wire or 4 wire device cancel out the resistance of the wires , opposed to a 2 wire RTD? Is it because you have resistors in parallel , or because something to do with the electronic circuit the RTD is connected to ?
Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these
Rubber is coagulated from latex by adding 1 Hydrochloric acid 2 Acetic acid 3 Sulphuric acid 4 Carbonic acid
abbrivation for ROA in oracle?
What are cosmic rays?
When a person sends a message to someone with the Internet, there are steps that happen to the recipient to receive the message. How does the recipient know that the message was not edited by someone else?
Gypsum is added to cement clinker to 1 Increase the tensile strength of cement 2 Bind the particles of calcium silicate 3 Decrease the rate of setting of cement 4 Facilitate the formation of colloidal gel
A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent