Which of the following is not a chemical reaction?
1 Burning of paper
2 Digestion of food
3 Conversion of water into steam
4 Burning of coal
- 1 Answers
- 13674 Views
- NTS, I also Faced
- E-Mail Answers
The final products of combustion of ethane are 1 Carbon and oxygen 2 Ethylene and Hydrogen 3 Water and Carbon monoxide 4 Carbon dioxide and water
Which of the following metals is a better conductor of electricity? A. Silver B. Copper
What are vitamins ? describe different kinds of vitamins
Polythene is industrially prepared by the polymerization of 1 Methane 2 Styrene 3 Acetylene 4 Ethylene
3 Answers Amna Industries, HFI,
Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
Mesons are found in 1 ?-rays 2 Laser beam 3 X-rays 4 Cosmic rays
3 Answers ABC, Indian Army, JSSC,
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
How long can arihant stay underwater?
i done G.N.M(General Nursing & Midwifery) so Howmany Sellery i will Get. And Which post in Hospital.
Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium
Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron
Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium
Biological Sciences 
