Chemistry

The process that requires the use of hardwater in its operation is?

A. Tanning B. Bottling C. Laundry D. Dyeing Correct Answer: Option B - Bottling

5 years ago

Which of the following statements is true about 2-methylpropane and butane?

A. They have a different number of carbon atoms B. They are members of the same homologous series C. They…

5 years ago

The compounds CH3CH2CHO and CH3COCH3 can be distinguished from each other using?

A. Dilute ammonia B. Benedict's solution C. Tollen's reagent D. Sodium hydroxide solution Correct Answer: Option C - Benedict's solution

5 years ago

The colour of litmus in an alkaline medium is?

A. Red B. Yellow C. Pink D. Blue Correct Answer: Option D - Blue

5 years ago

Ammonium chloride can be separated from its mixture with common salt by?

A. Distillation B. Evaporation C. Decantation D. Sublimation Correct Answer: Option D - Sublimation

5 years ago

The relative atomic mass of a naturally occurring lithium consisting of 90% 7/3 Li and 10% 6/3 Li is?

A. 6.2 B. 6.8 C. 7.1 D. 6.9 Correct Answer: Option D = 6.9 Explanation (90/100 x 7) + (10/100…

5 years ago

The industrial preparation of hydrogen gas from water gas is referred to as?

A. Bosch process B. Contact process C. Haber process D. Bayer Process Correct Answer: Option A - Bosch process

5 years ago

The ability of carbon to form long chains is referred to as?

A. Alkylation B. Acylation C. Carbonation D. Catenation Correct Answer: Option D - Catenation

5 years ago

The principle of column chromatography is based on the ability of the constituents to?

A. React with the solvent in the column B. React with each other in the solvent in the column C.…

5 years ago

The monomer of Nylon is?

A. Hydroxybenzene B. Hexanedioic acid C. Benzene -1,-4-dicarboxylic acid D. Ethane-1,2-diol Correct Answer: Option B - Hexanedioic acid

5 years ago