Read and download free pdf of CBSE Class 7 Science Acids Bases and Salts Assignment Set A. Get printable school Assignments for Class 7 Science. Class 7 students should practise questions and answers given here for Chapter 5 Acids, Bases And Salts Science in Class 7 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 7 Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 7 Science Chapter 5 Acids, Bases And Salts
Class 7 Science students should refer to the following printable assignment in Pdf for Chapter 5 Acids, Bases And Salts in Class 7. This test paper with questions and answers for Class 7 Science will be very useful for exams and help you to score good marks
Chapter 5 Acids, Bases And Salts Class 7 Science Assignment
I. Fill in the blanks:-
1. An acid is ____________ by a base .
2. Phenolphthalein is an __________ indicator.
II. Choose the correct option:-
1. A Soap Solution is –
a) Basic b) Acidic c) Alkaline d) Neutral
2. CO2 + H2O →
a) Sulphuric acid b)Nitric acid c) Carbonic acid d) None
III Name the following:-
1. Soluble bases.
2. A Chemical used as a food preservative.
3. Chemical name of Chile Salt Petre.
IV Define the following:-
1. Acid Rain 2. Neutralisation Reaction 3. Acid-Base Indicator
V Give Reasons:-
1. Non Metal Oxides are called Acidic .
2. Metal Oxides are Basic
3. Sour things are not kept in metal pots
4. Metal Oxides such as MgO are used for making refractory bricks.
VI Complete the Equations:-
1. ________ + 2O2 → CO2 + H2O
2. 3NO2 + H2O → NO + _______ .
3. 2NaOH + H2SO4 → _________ + 2H2O
4. CaCO3 → ________ + CO2
VII Answer in 20 words :-
1 Name three mineral acids and give their formulae?
2 What is acid and base?
VIII Answer in 40 words:-
1. What are general properties of bases?
2. What are general properties of acids?
3. Name an acidic gas which is discharged into the atmosphere on the burning of fuels like coal
& natural gas. How is this gas formed?
IX Answer in 100 words:-
1. Describe an activity to show the effect of acid on carbonates and hydrogen carbonates?
2. What is acid rain? How is it formed? Mention three bad effects of acid rain .
X Write one use of the following:-
1. Sulphuric acid.
2. Citric acid
3. Sodium Carbonate
4. Potassium Nitrate
5. Calcium phosphate
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CBSE Class 7 Science Chapter 5 Acids, Bases And Salts Assignment
We hope you liked the above assignment for Chapter 5 Acids, Bases And Salts which has been designed as per the latest syllabus for Class 7 Science released by CBSE. Students of Class 7 should download and practice the above Assignments for Class 7 Science regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 7 Science practice sheet in Pdf. All questions have been designed for Science by looking into the pattern of problems asked in previous year examinations.
Assignment for Science CBSE Class 7 Chapter 5 Acids, Bases And Salts
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Chapter 5 Acids, Bases And Salts Assignment Science CBSE Class 7
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Chapter 5 Acids, Bases And Salts Assignment CBSE Class 7 Science
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CBSE Science Class 7 Chapter 5 Acids, Bases And Salts Assignment
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