Fill In The Blanks With Correct Alternative.[1 Marks Each]

Question 11 Mark

When an acidic solution is mixed with a basic solution, they ______ each other forming ______ and water.

Answer

neutralise, salt

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Question 21 Mark

Turmeric and litmus are ______ acid-base indicators.

Answer

natural

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Question 31 Mark

Lemon juice and vinegar taste ______ because they contain ______ .

Answer

sour, acids

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Question 41 Mark

Lime water converts ______ litmus into ______ litmus.

Answer

red, blue

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Question 51 Mark

The reaction between an acid and base is ______ called reaction.

Answer

neutralisation

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Question 61 Mark

Acetic acid is present in ______ .

Answer

vinegar

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Question 71 Mark

_________ soil produces blue coloured Hydrangea flowers.

Answer

Acidic

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Question 81 Mark

Substances that do not change the colour of litmus are called_________ .

Answer

neutral

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Question 91 Mark

The extract of red rose turns green in the presence of a _________ .

Answer

base

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Question 101 Mark

Acidic substances turn_________ litmus red.

Answer

blue

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Question 111 Mark

A base reacts with an acid to form _________ and water.

Answer

salt

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Question 121 Mark

Litmus is obtained from _________.

Answer

lichens

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Science Fill In The Blanks With Correct Alternative.[1 Marks Each]

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