কাজ
সংক্রমণ, অপারেটিভ ত্বকের প্রস্তুতি, ত্বক জীবাণুমুক্তকরণ, ব্যাকটেরিয়াজনিত ত্বকের সংক্রমণের প্রফিল্যাক্সিস চিকিৎসায় নির্দেশিত হয়।
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Butanone is a four-carbon compound with the functional group (a) carboxylic acid. (b) aldehyde. (c) ketone. (d) alcohol.
Answer: (c) The functional group of butanone is ketone.
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How would you distinguish experimentally between an alcohol and a carboxylic acid?
We can distinguish between an alcohol and a carboxylic acid on the basis of their reaction with carbonates and hydrogen carbonates. Acid reacts with carbonate and hydrogen carbonate to evolve...
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Can we separate alcohol dissolved in water by using a separating funnel? If yes, then describe the procedure. If not, explain.
Hint— Water and alcohol are miscible
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The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively.
(c) 308 K, 329 K, 391 K
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Yeast is used in the production of (i) sugar (ii) alcohol (iii) hydrochloric acid (iv) oxygen
(ii) alcohol
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The following is an antibiotic (i) Sodium bicarbonate (ii) Streptomycin (iii) Alcohol (iv) Yeast
(ii) Streptomycin
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The process of conversion of sugar into alcohol is called (i) nitrogen fixation (ii) moulding (iii) fermentation (iv) infection
fermentation
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The process of conversion of sugar into alcohol is called (i) nitrogen fixation (ii) moulding (iii) fermentation (iv) infection
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Do you think that friends can influence one to take alcohol/drugs? If yes, how may one protect himself/herself from such an influence?
Yes, friends can influence one to take drugs and alcohol. A person can take the following steps for protecting himself/herself against drug abuse: Increase your will power to stay away from...
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Why is that once a person starts taking alcohol or drugs, it is difficult to get rid of this habit? Discuss it with your teacher.
Drug and alcohol consumption has an inherent addictive nature associated with euphoria and a temporary feeling of well-being. Repeated intake of drugs increases the tolerance level of the body’s receptors,...
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