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andriy [413]
2 years ago
9

a student takes two strips from the epidermis of an onion and places one in distilled water and the other in concreted salt solu

tion. She then uses the camera to photograph a sample of these cells under a microscope. Suggest why a red onion is often used when carrying out this investigation
Chemistry
1 answer:
maks197457 [2]2 years ago
5 0

see bahubali picture and pushpa this is your answer Visit your school library, read newspapers and discuss with your elders in your family to get information related to various activities, campaigns and news items about animal welfare. You can also do web search using keywords like endangered animals, animal rights, animal welfare, etc. Write a note of about 300-400 words describing the facts on the animal. Draw/paste picture as suitable. Note the following points: 1. animal in concern 2. year of origin of the project/activities/campaign, etc. 3. information regarding the animal 4. human-animal relationship

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Which pair of reactants will undergo aldol condensation to produce methylvinyl ketone?
xenn [34]

When formaldehyde and acetone then react with each other( aldol condensation) then it will be formed <u> methyl vinyl ketone.</u>

<u />

In organic chemistry, an aldol condensation would be a condensation reaction in which an enol and enolate ion combines with a carbonyl chemical to produce a -hydroxy aldehyde or -hydroxy ketone, that is then dehydrated to produce a conjugated enone.

In aldol condensation, when  formaldehyde and acetone then react with each other then it will be formed <u> </u><u>methyl vinyl ketone.</u>

It can be written as

CH_{2} O + CH_{3} COCH_{3} → HOCH_{2} -CH_{2} -CO-CH_{3}

When it will be heated then it gives methyl vinyl ketones.

HOCH_{2} -CH_{2} -CO-CH_{3} → CH_{2} =CH-CO-CH_{3}

So, the pair of reactants will be formaldehyde and acetone

To know more about aldol condensation

brainly.com/question/9415260

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