Chemistry In Everyday Life

Alizarin is an anthranquinone dye

Nitrogen tetraoxide is us,d as an oxidising agent in hybrid fuel.

Deficiency of vitamin H causes skin diseases.

Congo red - Direct dye
Methyl red - Acid dye
Methyl orange - Acid dye
Malachite green - Basic dye

The chemical name of vitamin is cyano cobalamine.

CetyitrimethyI ammonium chioride is a cationic detergent. It is used to prepare cosmetic because it possesses germicidal properties.

Vat dyes are not used to dye nyion and polyester fibres but used to dye cotton fibres. Basic dyes, disperse dyes and insolubie azo dyes however, are used to 1 dye nyion and
polyesters

Disparlure is an example of pheromone (sex attractants).

Chemically paper and cloth consists of celluiose. In piant eating animals digestion of celluiose takes piace in presence of enzyme cellulase.

The correct answer is option (B): Non-ionic detergent
Nonionic detergents are detergents that do not carry any electric charge in the molecular structure. They have both hydrophobic and hydrophilic regions in the molecule. Examples of nonionic detergents are Tween 20, and Triton X-100. Polyethylene glycol is a water-soluble polymer and has repeating units of ethylene glycols. It is a non-ionic substance and is used for the preparation of non–ionic detergents, due to the presence of the -OH group.

The correct answer is option (C): Saccharine
Saccharine is an artificial sweetener that is used in food and beverage products. It does not have calories and is a white crystalline powder that is sweet. The chemical formula of C₇H₅NO₃S. It is a derivative of the benzothiazole ring that is fused with the sulfonamide group. It has already been approved by the food safety agency and now is widely used in sodas and cold food. Saccharine is considered safe for human consumption.