Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 5

EASY

10th CBSE

IMPORTANT

Earn 100

A solution with pH less than 7 is acidic. Why?

Important Questions on Question Bank

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10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 5

$HCl$ shows acidic behaviour in aqueous solution but $C_{2} H_{5} OH$ does not. Why?

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10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 6

Describe an activity to study the colour changes with

HCI

,

H_{2} {SO}_{4}

,

NaOH

solution and

{NH}_{4} OH

using red litmus solution, blue litmus solution, methyl orange and phenolphthalein. Record your observations in tabular form.

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10th CBSE

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Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 7

Explain the acid salt.

MEDIUM

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Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 7

Explain fire extinguisher.

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10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 7

Explain olfactory indicators

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10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 7

Explain pH-Scale.

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 8

Describe an activity to show that glucose and ethanol do not conduct electricity even though they contain hydrogen.

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 10 - Question Bank>Question Bank>Q 9

A set of five acids is given below.

HCl, H_{2} {SO}_{4}, {HNO}_{3}, {CH}_{3} COOH, H_{3} {PO}_{4}

Describe an activity to show that these acids react with magnesium at different rates.