Which of the following is the most stable element?
1 Uranium
2 Hydrogen
3 Oxygen
4 Lead
Answers were Sorted based on User's Feedback
Names of some plants and trees that sleep during the day
‘Saponification involves the hydrolysis of fats and oils by 1 Water 2 Washing soda 3 Stearic acid 4 Caustic soda
Superphosphate fertilizer is prepared by the reaction between 1 Calcium phosphate and Sulphuric hydroxide 2 Sodium phosphate and Sodium nitrate 3 Magnesium phosphate and Sodium nitrate 4 Sodium sulphate and Phosphoric acid
2 Answers Central Police Forces, Odisha Police,
In modern science, what is 'fourth dimension'?
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
Water is a compound because 1 It exists as a solid, a liquid or a gas 2 It contains hydrogen and oxygen 3 It contains two different elements joined by chemical bonds 4 It cannot be split up into simpler substances by chemical means
whate is the difference b/w aflatoxions&ocharatoxions
The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%
3 Answers DSSSB-Delhi Subordinate Service Selection Board,
How can we determine the no: of revolutions of earth around sun?
What are vitamins ? describe different kinds of vitamins
methane is not present in
The first synthetic fiber made by man was 1 Rayon 2 Nylon 3 Polyester 4 Terycott