CBSE Class 12 Chemistry Chemistry in Everyday Life Assignment

Question. An azo dye is fixed on fabrics by the process applicable in:
a. Vat dyes
b. Mordant dyes
c. Developed dyes
d. Substantive dyes
Answer : C

Question. Which of the following is a vat dye and often used in dyeing jeans:
a. Indigo
b. Alizarin
c. Picric acid
d. Crystal violet
Answer : A

Question. Which of the following is not a chromophore?
a. −N = N−
b. −NO
c. −NO₂
d. −NH₂
Answer : D

Question. Methyl orange is an indicator in acid-alkali titration. It gives:
a. Yellow colour in alkaline medium
b. Red colour in acid medium
c. Yellow colour in acid medium
d. Yellow colour in alkaline medium and red colour in acid medium
Answer : D

Question. An azo dye is formed by interaction of an aromatic diazonium chloride with:
a. A phenol
b. An aliphatic primary amine
c. Benzene
d. Nitrous acid
Answer : A

Question. Alizarin dye obtained from the root of madder plant is anthraquinone derivative. Its structure corresponds to: 
a. 1, 2-dihydroxy anthraquinone
b. 2, 3-dihydroxy anthraquinone
c. 1, 4-dihydroxy anthraquinone
d. 1-hydroxy anthraquinone
Answer : A

Question. Alizarin a mordant dye is not used in:
a. Cotton dyeing
b. Printing
c. Painting
d. Chromium lakes for wood dyeing
Answer : C

Question. Which of the following is an example of basic dye?
a. Alizarin
b. Malachite green
c. Indigo
d. Orange I
Answer : B

Question. Which of the following is an azo dye?
a. Orange-I
b. Phenolphthalein
c. Malachite green
d. Methylene blue
Answer : A

Question. Acetoxy benzoic acid is:
a. Antiseptic
b. Aspirin
c. Antibiotic
d. Mordant dye
Answer : B

Question. Which one is disperse dye?
a. Congo red
b. Alizarin
c. Celliton
d. None of these
Answer : C

Question. Fluorescin, a well known dye is obtained by the reactions of:
a. Phthalic anhydride and phenol
b. Phthalic anhydride and resorcinol
c. Succinic acid and resorcinol
d. Phthalic anhydride and catechol
Answer : B

Question. Which is the wrong statement with regards to Indigo?
a. Indigo was extracted in India from plants of the 'Indigo ferra' group
b. The chemical structure of Indigo was determined by Baeyer, a German chemist who also synthesized it
c. Indigo is a dark blue solid soluble in water giving a blue solution
d. Indigo is fixed to fabrics by the vat process
Answer : C

Question. Which of the following is an insecticide?
a. Bakelite
b. TNT
'c. BHC
d. Aspirin
Answer : C

Question. Which of the following is a basic dye?
a. Congo red
b. Aniline Yellow
c. Alizarin
d. Indigo
Answer : B

Question. An antibiotic with a broad spectrum:
a. Kills the antibodies
b. Acts on a specific antigen
c. Acts on different antigens
d. Acts on both the antigens and antibodies
Answer : C

Question. An example of a psychedelic agent is:
a. DNA
b. LSD
c. DDT
d. TNT
Answer : B

Question. Aspirin is:
a. Antibiotic
b. Antipyretic
c. Sedative
d. Psychedelic
Answer : B

Question. The formulation of dettol contains:
a. Chloroxylenol
b. Terpineol
c. Alcohol
d. All of these
Answer : D

Question. Measles is a disease which belongs to the category of:
a. Bacterial disease
b. Viral disease
c. Veneral disease
d. Protozoan disease
Answer : A

Question. Which of the following is a hypnotic drug?
a. Luminal
b. Salol
c. Catechol
d. Chemisol
Answer : A

Question. Chloramine-T is a:
a. Disinfectant
b. Antiseptic
c. Analgesic
d. Antipyretic
Answer : B

Question. A drug effective in the treatment of pneumonia, bronchitis, etc, is:
a. Streptomycin
b. Chloramphenicol
c. Penicillin
d. Sulphaguanidine
Answer : C

Question. Salol can be used as:
a. Antiseptic
b. Antipyretic
c. Analgesic
d. None of these
Answer : A

Question. Morphine is:
a. Anaesthetic
b. Analgesic
c. Antiseptic
d. Antibiotics
Answer : B

Question. Heroin is a derivative of:
a. Cocaine
b. Morphine
c. Caffeine
d. Nicotine
Answer : B

Question. Which one is communicable disease?
a. Scurvy
b. Diabetes
c. Beri-Beri
d. Chollera
Answer : D

Question. Sulpha drugs are used for:
a. Precipitating bacteria
b. Removing bacteria
c. Decreasing the size of bacteria
d. Stopping the growth of bacteria
Answer : D

Question. Which of the following is not a chlorinated insecticide?
a. DDT
b. Methoxychlor
c. Parathion
d. BHC
Answer : C

Question. Morphine is:
a. An alkaloid
b. An enzyme
c. A carbohydrate
d. A protein
Answer : A

Question. Arsenic drugs are mainly used in the treatment of:
a. Jaundice
b. Typhoid
c. Syphilis
d. Cholera
Answer : C

Question. Which is correct about vanillin?
a. A flavouring agent having vanila flavour
b. o-hydroxy-m-methoxy benzaldehyde
c. A food additive
d. All of these
Answer : D

Question. Amoxillin is semi-synthetic modification of:
a. Penicillin
b. Streptomycin
c. Tetracycline
d. Chloroampheniol
Answer : C

Question. Bithional is an example of :
a. Disinfectant
b. Antiseptic
c. Antibiotic
d. Analgesic
Answer : A

Question. Which of the following is not an antipyretic?
a. Aspirin
b. Paracetamol
c. Barbituric acid
d. Phenacetin
Answer : C

Question. Which of these is a hypnotic?
a. Metaldehyde
b. Acetaldehyde
c. Paraldehyde
d. None of these
Answer : C

Question. An ester used as medicine is:
a. Ethyl acetate
b. Methyl acetate
c. Methyl salicylate
d. Ethyl benzoate
Answer : C

Question. Substance used for the preservation of coloured fruit juices is:
a. Benzene
b. Benzoic acid
c. Phenol
d. Sodium meta bisulphite
Answer : B

Question. Which of the following term means pain killing?
a. Antibiotic
b. Analgesic
c. Antipyretic
d. Penicillin
Answer : B

Question. Which of the following can possibly be used as analgesicwithout causing addiction and any modification?
a. Morphine
b. N-acetylparaaminophenol
c. Diazepam
d. Tetra hydrocatenol
Answer : C

Question. Which one of the following is known as broad spectrum antibiotics?
a. Streptomycine
b. Ampicillin
c. Chloramphenicol
d. Penicillin G
Answer : C

Question. Which of the following is used as an antibiotic?
a. Ciprofloxacin
b. Paracetamol
c. Ibuprofen
d. Tocopherol
Answer : A

Question. Which of the following is not an antibiotic:
a. Penicillin
b. Sulphaguanidine
c. Chloramphenical
d. None of these
Answer : B

Question. Which of the following is molecular disease?
a. Allergy
b. Cancer
c. German measeles
d. Sickel-cell-anaemia
Answer : B