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Chemistry in Everyday Life Test - 38

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Chemistry in Everyday Life Test - 38
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  • Question 1
    1 / -0
    _____ are chemicals of low molecular masses $$(\approx100-500u )$$. These interact with macromolecular targets and produce a biological response.
    Solution

    Drugs are chemicals of low molecular masses $$(\approx100 – 500u)$$. 

    These interact with macromolecular targets and produce a biological response. 

    When the biological response is therapeutic and useful, these chemicals are called medicines and are used in diagnosis, prevention and treatment of diseases. 

    If taken in doses higher than those recommended, most of the drugs used as medicines are potential poisons.

    Hence the correct option is A.

  • Question 2
    1 / -0
    ________ work by counteracting (neutralising) the acid in your stomach. 
    Solution

    Antacids neutralize the acid made by your stomach, curing various problems like heartburn, upset stomach, etc. Generally, they do not have any side effects.

  • Question 3
    1 / -0
    Which of the following is not an artificial sweetner?
    Solution
    Sucrose is a natural sweetner (present in sugarcane) and all the other compounds given are artificial sweetners. 
  • Question 4
    1 / -0
    Zantac is also called as ______.
    Solution
    Ranitidine is the largest selling drug, commonly called as zantac. It decreases stomach acid production. 
  • Question 5
    1 / -0
    Cimetidine is the name of which drug?
    Solution
    Option (A) is the correct answer.
    Cimetidine is also called Tegamet. It was the largest selling antacid.
    It prevent the interaction between histamine and the receptors in the stomach wall, resulting in a release of less amount of acid.
  • Question 6
    1 / -0
    Which of the following is a medicine?
    Solution
    $$\underline{Penicillin}$$ (PCN or Pen):- is a group of antibiotics which includes penicillin G(intravenous use), penicillin G(use by mouth) and procaine penicillin. Penicillin antibiotic was among the first medication to be effective against many bacterial infections caused by staphylococci and streptococci.

    $$\underline{Heroin}$$:-It is an opioid drug made from morphine, a natural substance taken from the seed pod of the various poppy plants.

    $$\underline {Cannabis}$$;-It is classified as a cannabinoid drug.

    $$\underline{LSD}$$:-Lysergic acid diethylamide(LSD), also known as acid, is a hallucinogenic drug.
  • Question 7
    1 / -0
    Antacids are _____ in nature.
    Solution
    An antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn, indigestion or stomach upset.
    It should be basic in nature, so as to neutralize the acid present in stomach.
  • Question 8
    1 / -0
    Which of the following is/are characteristics of medicines?
    Solution
    These are not the characteristics of medicines :
    A-They are addictive.
    B-They are toxic.
    C-All medicines are drugs.

    Medicines are not addictive and not toxic.

    All drugs are not medicines- e,g. Brown sugar

    So, None of the above are true.

    Hence the correct option is D.
  • Question 9
    1 / -0
    Which of the given statements is true?
    Solution
    Statement (A) is a true statement.
    The ionic end of soap dissolves in water while the carbon chain dissolves in oil.
    The ionic end is polar in nature as it contains carboxylate ions. Since we know that like dissolves like, this end dissolves in polar solvent like water.
    The carbon chain is hydrophobic in nature. It dissolves in a non-polar solvent like oil.
  • Question 10
    1 / -0
    Which type of chemical mechanism is followed by an antacid?
    Solution
    Antacids are chemically bases, and they react with acids present in the stomach causing a neutralization reaction in which salt and water is produced as the products.
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