Properties and pH scale. Science CBSE, Class 7: lessons, tests, tasks.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1.	Acids
2.	Acidic food items
3.	Properties and types of acid
4.	Bases and its properties
5.	pH scale
6.	Natural indicators
7.	China rose as indicator
8.	Turmeric powder as indicator
9.	Phenolphthalein as an indicator for neutralisation reaction
10.	Neutralisation
11.	Neutralisations in our daily life

1.	Analyse the statements about acid and its properties Difficulty: easy	2
2.	Match the words about acids Difficulty: medium	4
3.	Acid, Bases and neutralisation reaction: Drag the correct options Difficulty: medium	4
4.	Acid, bases and Salts: unscramble the jumbled words Difficulty: medium	4
5.	Indicators: select the correct option for the given question Difficulty: medium	4
6.	'True' or 'false' about acid, bases and salts Difficulty: medium	4
7.	Answer the given questions Difficulty: easy	4
8.	Basics of acids and bases Difficulty: easy	4
9.	Choose the correct answers Difficulty: medium	4
10.	Analyse the question and answer it Difficulty: medium	4
11.	Solve the riddle 1 Difficulty: hard	4
12.	Solve the riddle 2 Difficulty: medium	4
13.	Find the organic acid from the given options Difficulty: hard	3
14.	Select the correct statement: acid, bases and salts Difficulty: hard	5
15.	Analytical based questions Difficulty: hard	4
16.	Think before you answer Difficulty: hard	4
17.	Situation based questions Difficulty: hard	4

1.	Training Test - I Difficulty: medium	10
2.	Training test - II Difficulty: medium	12

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Methodical recommendation

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