Q5 of 55 Page 46

The organic acid present in tomato is

The organic acid present in tomato is malic acid. Malic acid is the second organic acid present in tomato. The first organic acid is citric acid which is present in tomatoes.


Malic acid is responsible for the ripening of tomatoes. It plays an important role in the production of energy.

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3

Consider the following reaction:


Here, A, B, C and D respectively are:

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In one of the industrial processes used for manufacture of sodium hydroxide, a gas X is formed as by-product. The gas X reacts with lime water to give a compound Y which is used as a bleaching agent in chemical industry. The compound X and Y could be

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You are having five solutions A, B, C, D and E with pH values as follows:

A = 1.8, B = 7, C = 8.5, D = 8 and E = 5


Which solution would be most likely to liberate hydrogen with magnesium powder?

 7

The reagent used to distinguish iron (II) chloride and iron (III) chloride is