CBSE Questions for Class 12 Engineering Chemistry Chemistry In Everyday Life Quiz 6 - MCQExams.com

The food is kept at low temperatures in a refrigerator because it:
  • saves money
  • makes food more tastier
  • kills bacteria present in the food
  • is fashionable to keep the food in the refrigerator
Ammonium hydroxide is found in:
  • lime water
  • window cleaner
  • soap
  • milk of magnesia
A synthetic material used for washing clothes, even when water is hard is:
  • detergent
  • soap
  • shampoo
  • facewash
An effective antacid contains:
  • sodium hydroxide
  • magnesium hydroxide
  • sour milk
  • lime water
It is found in phosphorus and nitrogen
  • inorganic impurities
  • bacteria
  • nutrients
  • other microbes
Sodium hydroxide is found in:
  • limewater
  • milk of magnesia
  • window cleaner
  • soap
Which of the following is/are examples of artificial sweetener?
  • Sucralose
  • Saccharin
  • Neotame
  • Aspartame
Chemically, detergent is:
  • sodium lauryl sulphate
  • sodium stearate
  • sodium carbonate
  • sodium acetate
Quinine is a bitter medicine used for treatment of malaria.
  • True
  • False
A product obtained by mixing sodium hydroxide with vegetable oil is:
  • acid
  • base
  • soap
  • vinegar
Which of the following is a use of $$Mg(OH)_2$$?
  • It is used in fire extinguisher as a foaming agent.
  • It is used in the preparation of fertilizers.
  • It is used in removing stains of grease from clothes.
  • It is used as an antacid.
Tranquilizers are also known as:
  • psychosomatic drugs
  • antipsychotic drugs
  • psychosystolic drugs
  • none of the above
Which among the following detergents is non-ionic in character?
  • Sodium lauryl sulphate
  • Pentaerythrityl stearate
  • Cetyl trimethyl ammonium chloride
  • Sodium n-dodecyl benzene sulphonate
Paracetamol is:
  • methyl salicylate
  • phenyl salicylate
  • N-acetyl p-amino phenol
  • acetyl salicylic acid
Vitamin C is:
  • Citric acid
  • Lactic acid
  • Paracetamol
  • Ascorbic acid
Potassium metabisulphite is a (an):
  • preservative
  • antioxidant
  • artificial sweetener
  • both (A) and (B)
D-fructose is used for sweetening cold drinks but not hot ones because:
  • it is not a true carbohydrate
  • on heating it is converted into pyranose form
  • on heating it is converted into furanose form
  • on heating it gets decomposed
Which of the following is an artificial edible colour?
  • Saffron
  • Carotene
  • Tetrazine
  • Melamine
Cetryltrimethyl ammonium bromide is a popular:
  • anionic detergent
  • cationoic detergent
  • non-ionic detergent
  • sweetener
Tranquilisers are also known as:
  • psychosomatic drugs
  • psychoterapeutic drugs
  • psychosystolic drugs
  • none of the above
What are the substances which mimic the chemical messengers?
  • Antibiotics
  • Antagonists
  • Agonists
  • Receptors
2$$-$$acetoxy benzoic acid is used as an:
  • antimalarial
  • antidepressant
  • antiseptic
  • antipyretic

(iii) Which class of drugs is used in sleeping pills?
  • tranquilizers
  • Antacid
  • Disprine
  • Paracetamol
While studying saponification reaction for the preparation of soap, the teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to:
  • reduce the alkalinity of the soap
  • reduce the acidity of the soap
  • enhance the cleansing capacity of soap
  • favour precipitation of soap
Which one of the following is an artificial sweetening agent?
Which one of the following is a food preservation?
While preparing soap, a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?
  • To reduce the basic nature of the soap
  • To make the soap neutral
  • To enhance the cleansing power of the soap
  • To favour the precipitation of the soap
Milk of sulphur finds its applications in :
  • medicines
  • photography
  • head of match stick
  • vulcanization
All antihistamines inhibit the action of the compound histamine which causes inflammation in the body. This drug is classified ___.
  • on the basis of pharmacological effect
  • on the basis of drug action
  • on the basis of chemical structure
  • on the basis of molecular targets
Noradrenaline is a:
  • enzyme
  • anti-depressant drug
  • hormone
  • None of the above
Which of the following is not a drug?
  • Antihistamine
  • Rantadine
  • Aspirin
  • None of the above
Analgesics have pain killing effect when consumed, is a classification based on _____.
  • the basis of pharmacological effect
  • the basis of drug action
  • the basis of chemical structure
  • the basis of molecular targets
On treating roll sulphur with an aqueous solution of calcium hydroxide :
  • plastic sulphur is prepared
  • milk of sulphur is prepared
  • rhombic sulphur is prepared
  • roll sulphur
Which one of the following is employed as a tranquilizer?
  • Naproxen
  • Tetracycline
  • Chloropheniramine
  • Equanil
Which of the following is not a classification of drugs?
  • On the basis of pharmacological effect
  • On the basis of drug action
  • On the basis of chemical structure
  • None
Which of the following is a medicine?
  • Arsphenamine
  • Heroin
  • Morphine
  • Codeine
Which of the following is a narcotic analgesic?
  • Aspirin
  • Pencillin
  • Heroin
  • Tylenol
Which of the following is an antacid?
  • Rantidine
  • Histamine
  • Cimetidine
  • All of the above
Which of the following is an antihistamine?
  • Brompheniramine
  • Equanil
  • Ranitidine
  • Cimetidine
_____ are chemicals of low molecular masses $$(\approx100-500u )$$. These interact with macromolecular targets and produce a biological response.
  • Drugs
  • Medicines
  • Enzymes
  • None of these
________ work by counteracting (neutralising) the acid in your stomach. 
  • Disinfectants
  • Antibiotics
  • Antacids
  • Anti-depressants
Which of the following is not an artificial sweetner?
  • Aspartame
  • Saccharin
  • Sucrose
  • Sucralose
Zantac is also called as ______.
  • ranitidine
  • histamine
  • cimetidine
  • soframicin
Cimetidine is the name of which drug?
  • Tegamet
  • Zantac
  • Penicillin
  • None of these
Antacids are _____ in nature.
  • acidic
  • basic
  • salt
  • ionic
Which of the following is/are characteristics of medicines?
  • They are addictive
  • They are toxic
  • All drugs are medicines
  • None of the above
Which of the given statements is true?
  • The ionic end of soap dissolves in water while the carbon chain dissolves in oil.
  • The ionic end of soap dissolves in oil while the carbon chain dissolves in water.
  • The ionic end of soap and the carbon chain both dissolve in water.
  • The ionic end of soap and the carbon chain both dissolve in oil.
Which type of chemical mechanism is followed by an antacid?
  • rearrangement
  • neutralization
  • condensation
  • none of these
The properties of medicine is/are:
  • it cures the diseases
  • it does not causes addiction
  • it has negligible toxicity
  • none of the above
Ranitidine is also called as:
  • Zinetac
  • Cimetidine
  • Pepsin
  • Histamine
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