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JEE CHEMISTRY MCQ: CHEMISTRY IN EVERYDAY LIFE
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Soaps do not form froths easily from hard water because:
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Correct option: A
Of formation of insoluble salts
Option A is correct because hard water contains calcium and magnesium ions, which react with soap to form insoluble salts (scum), preventing lather formation.
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S-I: The receptor proteins show selectivity for one chemical messenger over the other.
S-II: Chemical messenger binds to the receptor site and inhibits its natural function. Which of the following drugs is a tranquillizer and sedative? Which one among the following is added to soap to impart antiseptic property? Which of the following is known as invert soap?
S-II: Chemical messenger binds to the receptor site and inhibits its natural function. Which of the following drugs is a tranquillizer and sedative? Which one among the following is added to soap to impart antiseptic property? Which of the following is known as invert soap?
