Lucas test is used for the determination of
Lucas test is used for the determination of Options (a) alcohols (b) alkyl halides (c) phenols (d) aldehydes Correct Answer:…
7 years ago
Chemistry
Butter is an example of which type of colloid
Butter is an example of which type of colloid Options (a) Solid in liquid (b) Liquid in solid (c) Liquid…
7 years ago
The compoumd which has one isopropyl groups is
The compoumd which has one isopropyl groups is Options (a) 2,2,3,3-tetramethylpentane (b) 2,2-dimethylpentane (c) 2,2,3-trimethylpentane (d) 2-methylpentane Correct Answer: 2-methylpentaneExplanation:No…
7 years ago
Which one of the following metals forms superoxide?
Which one of the following metals forms superoxide? Options (a) Ca (b) Zn (c) Ti (d) K Correct Answer: KExplanation:No…
7 years ago
Portland cement contains the following amount of CaO
Portland cement contains the following amount of CaO Options (a) 5-15% (b) 20-35% (c) 50-60% (d) 70-80% Correct Answer: 50-60%Explanation:No…
7 years ago
Which one of the following has an aromatic character
Which one of the following has an aromatic character Options (a) Cyclopentadiene (b) Cycloheptatrienylium cation (c) cyclopropyne (d) Cycloheptatrienyl anion…
7 years ago
Nitrogen is obtained by the thermal decomposition of
Nitrogen is obtained by the thermal decomposition of Options (a) NH₄NO₃ (b) Pb(NO₃)₂ (c) NH₄NO₂ (d) AgNO₃ Correct Answer: NH₄NO₂Explanation:No…
7 years ago
Aspirin is obtained by the reaction of salicylic acid with
Aspirin is obtained by the reaction of salicylic acid with Options (a) acetic acid (b) acetaldehyde (c) acetone (d) acetic…
7 years ago
Which of the following is the most electronegative element?
Which of the following is the most electronegative element? Options (a) Bromine (b) Chlorine (c) Flourine (d) Iodine Correct Answer:…
7 years ago
If a gas expands at constant temperature , it indicates that
If a gas expands at constant temperature , it indicates that Options (a) kinetic energy of molecules remains the same…
7 years ago