The products of the electrolysis of dilute sodium chlorid solution with platinum electrodes are
hydrogen and oxygen
oxygen and chlorine
chlorine and water
sodium amalgam and chlorine
sodium hydroxide and water
Correct answer is A
No explanation has been provided for this answer.
Which of the following formula is that of a dicarboxylic acid?
(CH3CH 2)2CHCOOH
CH2(OH)2
CH3CH(OH)COOH
CH2(COOH)2
CH3COCOOH
Correct answer is D
No explanation has been provided for this answer.
Brass is an alloy of copper and
iron
chromium
zinc
tin
magnesium
Correct answer is C
No explanation has been provided for this answer.
substitution
oxidation
reduction
addition
displacement
Correct answer is D
No explanation has been provided for this answer.
Which of the following elements can from more than one acidic oxide?
Hydrogen
Sulphur
Carbon
Alumium
Iron
Correct answer is B
No explanation has been provided for this answer.