How many protons does 4020Ca contain?
How many protons does 4020Ca contain? A. 20 B. 30 C. 40 D. 60 Correct Answer: Option A…
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Aluminium is a good roofing material because it
Aluminium is a good roofing material because it A. is strong and does not conduct heat and electricity…
Which of the following alloys is mainly used in making statues?
Which of the following alloys is mainly used in making statues? A. Brass B. Bronze C. Duralumin D.…
A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12]
A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12] A. CH B.…
A solution of a salt was acidified with HCI when a few drops of BaCI2…
A solution of a salt was acidified with HCI when a few drops of BaCI2 solution were added,…
Chemicals that are produced in small quantities and with very high degree of purity are
Chemicals that are produced in small quantities and with very high degree of purity are A. bulk chemicals…
The hydrolysis of groundnut oil by potassium hydroxide is known as
The hydrolysis of groundnut oil by potassium hydroxide is known as A. hydrogenation B. saponification C. esteriffication D.…
What is the main type of reaction alkenes undergo?
What is the main type of reaction alkenes undergo? A. Addition B. Condensation C. Elimination D. Substitutio Correct…
Arrange the following compounds in order of increasing boiling point l.CH 3CH2CH2OH II.CH 3CH 2OH…
Arrange the following compounds in order of increasing boiling point l.CH 3CH2CH2OH II.CH 3CH 2OH III.CH3CH2CH2CH2OH IV. CH3CH…
A mixture of kerosene and diesel oil can be separated by
A mixture of kerosene and diesel oil can be separated by A. crystallization B. distillation C. precipitation D.…