One advantages of detergents over soap is that detergents?
are easier to maufacture
foam more than soap
form soluble salts with hard water
are able to deter germs more than soap
Correct answer is C
No explanation has been provided for this answer.
ethanol
diethyl ether
ethanal
diethyl sulphate
Correct answer is A
No explanation has been provided for this answer.
20 g
40 g
60 g
80 g
Correct answer is D
C3H4 + 2Br2 - C3Br4 + 2H2
(36 + 4) (4 X 80)
40 g of C3H4 reacts with 320 g of Br
10 " " will react with
(10)/(40) x (320) /(1) = 80g
Which of the following compounds can exist as geometric isomers?
2-methylbut-2ene
But-2-ene
But-1-ene
CI-C-Br
Correct answer is B
No explanation has been provided for this answer.
Copper (II) tetraoxosulphate (IV) is widely used as a?
fertilizer
fungicide
disinfectant
purifier
Correct answer is B
No explanation has been provided for this answer.