Methyl orange is an example of
Acid dye
Azo dye
Mordant dye
Both A and B.
Which of the following is a common antacid?
NaOH
Ca(OH)2
Mg(OH)2
KOH
Which of the following term means pain killing
Antibiotic
Analgesic
Antipyretic
Antiseptic
Indigo belongs to
Vat dye
Direct dyes
Ingrain dye.
Morphine is
An alkaloid
An enzyme
A carbohydrate
A protein
Which of the following is an insecticide?
Bakelite
Aspirin
DDT
TNT
The most abundant chemical present in living being is
Protein
Nucleic acid
Carbohydrates
Water
One of the oxidants used in propellants is
Ammonium perchlorate
Nitrocellulose
Sulphuric acid
Dinitrogen tetroxide N204.
The substances applied to fabrics before dying them is called
Mordant
Chromatophores
Indigo
Antocynanins
An antibiotic contains nitrogroup attached to aromatic nucleus in its structure. It is
Pencillin
Streptomycin
Tetracyclon
Chloroamphenicol.