Which of the following is not an alkali?
Ca(OH)2
NH3
NaOH
Al(OH)3
Correct answer is D
Al(OH)3 is not generally an alkali but is amphoteric; acting as a base and an acid when the need arises.
Alkanols have the general molecular formula
CnH2n-2
CnH2n+1CHO
CnH2n-2OH
CnH2n+1OH
Correct answer is D
No explanation has been provided for this answer.
CH3CH2CHO and H2O
CH3CHO and CO2
CH3CH2COOH and H2
CH3COOH and CO2
Correct answer is A
No explanation has been provided for this answer.
Which of the following compounds is used as a gaseous fuel?
CH3 -CH2 -CHO2 -COOH
CH3 -C = CH
CH3 -CH2 -CH2 -CH3
CH2 -CH2 -CH3
Correct answer is C
No explanation has been provided for this answer.
Chains and agricultural implements
Iron sheets and retort stand
Nails and iron rods
Stoves and cookers
Correct answer is D
No explanation has been provided for this answer.