Please select a subject first
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Assertion (A): Esterification is a process in which a sweet-smelling substance is produced.
Reason (R): When esters react with sodium hydroxide an alcohol and sodium salt of carboxylic acid are obtained.
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Distinguish between esterification and saponification reactions with the help of chemical equations for each.
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With a labelled diagram describe in brief an activity to show the formation of ester.
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Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
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A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
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A student while observing the properties of acetic acid would report that this smells like ______.
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Vinegar is a solution of ______.
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Ethanoic acid is also known as which of these?
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Which of these is not an organic acid?
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Ester is formed by the reaction between ______.
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Which of the following substance produces brisk effervescence with baking soda solution?
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When ethanoic acid is treated with NaHCO^ the gas evolved is ______.
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Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
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In human males, the testes lie in the scrotum, because it helps in the ______
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A pair of ducts arising from testis, which carries sperms are ______
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In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: In the male reproductive system, the transport of sperm takes place in a fluid that also provides nutrition.
Reason: Protective glands and seminal vesicles secret in the vas deferens.
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Which of the following represents saponification reaction?
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During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys
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In human males, the testes lie in the scrotum, because it helps in the
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The correct sequence of organs in the male reproductive system for transport of sperms is
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