An elements used in production of matches is
nitrogen
aluminum
copper
sulphur
Correct answer is D
Sulphur is an element that burns with a strongly explosive smell, as a result it is explosive smell
Ammonium chloride can be separated from its mixture with common salt by ...
Determine the mass of sulphur (IV) oxide obtained when 91.0g of oxygen reacts completely with sulphu...
The Ideal Gas Law is expressed mathematically as ...
What is the amount (in mole) of hydrogen gas that would be produced if 0.6 mole of hydrochloric acid...
What is the change in the oxidation number of 1- in the reaction represented by the following equati...
A solution X on mixing with AgNO3 solution, gives a white precipitate solution in NH3. A Solution Y,...
When a few drops of water is added to a blue anhydrous cobalt (II) chloride, the colour changes to...
During water treatment for town supply, water is passed through layers of send beds in order to ...
Rusting of iron is an example of ...
The phenomenon whereby sodium trioxocarbonate (IV) decahydrate loses some of its water of crystalliz...
Logical Reasoning Questions and Answers
Spatial Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Microsoft Office Questions and Answers
Quantitative Reasoning Questions and Answers
Typing Speed and Accuracy Test
Personality Test
Situational Judgement Questions and Answers
Verbal Reasoning Questions and Answers
Puzzles Questions and Answers
Abstract Reasoning Questions and Answers
Data Interpretation Questions and Answers
Numerical Reasoning Questions and Answers
See all →