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CHEMISTRY

Chemistry
The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

Hydroxy phenyl alanine
Dihydroxy phenyl alanine
Phenyl alanine
Amino phenyl alanine

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Chemistry
During fermentation of sugar, the compound which is always formed is :

Acetic Acid
Ethylene
Methyl Alcohol
Ethyl Alcohol

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Chemistry
If a buffer solution is diluted its pH

Is decreased
Remains same
Is increased
Will slowly increase and then it will decrease

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Chemistry
'Vinegar' is a commercial name of

Citric acid
Acetic acid
Hydrochloric acid
Oxalic acid

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Chemistry
The apparatus used to test acidity of aqueous solution is

Hygrometer
Ammeter
PH meter
Acidmeter

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