Tuesday, 7 September 2021

Class 10 Chemistry - Acid, Bases and Salts (Worksheet) (#class10Chemistry)(#cbse2021)(#cbseTerm1)(#eduvictors)(#class10WorkSheet)

Class 10 Chemistry - Acid, Bases and Salts (Worksheet)

Class 10 Chemistry - Acid, Bases and Salts (Worksheet) (#class10Chemistry)(#cbse2021)(#cbseTerm1)(#eduvictors)(#class10WorkSheet)


Fill in the blanks with suitable words


1. An acid is a compound which when dissolved in water gives _________ ions as the only _________ ions.


2. Higher the pH value of a solution, the more __________ it is.


3. pH value of lemon juice is _________ than 7.


4. Salts of strong acids and strong bases in water produce ________ solution. 


5. Solution of sodium carbonate in water is _________ in nature, while the solution of ferric chloride is ________ in nature.


6. Vinegar contains ________ acid.


7. Dissolving of aluminium foil in HCl as well as NaOH shows that it is _________ in nature.


8. Methyl orange turns __________ in acidic solution.


9. The complete reaction between an acid and a base is called ______________ .


10. HCl is considered as a _________ acid because it gets completely dissociated to liberate the H+ ions.


11. _________ gas is evolved when dil. HCl reacts with metal bicarbonate.


12. Tooth decay start when the pH of mouth is lower than ______.


13. Fresh milk has a pH of 6. When it changes into curd (yoghurt), its pH value ________.


14. The name and chemical formula of the calcium compound used for disinfecting drinking water is __________.


15. Plaster of Paris is prepared by decomposing ________ at 373K.


16. ___________ is the fixed number of water molecules present in one formula unit of a substance.


17. When a metallic oxide is dissolved in water, the solution formed has high concentration of _______ ions.


18. The salt of the sulphuric acid are called sulphates and those of the acid HNO₃ are called _________.


19. ______ is the process of decreasing the strength of an acid or base by hydrolysis.


20. The pH range our body works is _______. 


Answers:

1. Hydronium or Hydrogen ion, Positive

2. alkaline / basic

3. less 

4. neutral

5. basic, acid

6. acetic

7. amphoteric

8. pink

9. neutralisation

10. strong

11. Carbon Dioxide

12. 5.5

13. decreases (due to formation of more lactic acid)

14. Calcium oxychloride (CaOCl2)

15. gypsum

16. Water of crystallization

17. OH-

18. nitrates

19. Dilution

20. 7.0-7.8



👉See Also:

Ch2 - Acids, Bases and Salts (MCQs, NCERT Solution, Q & A)
Ch2 - Acids, Bases and Salts (MCQs)
Ch2 - Acids, Bases and Salts (Worksheet)
Ch 2 - Acids, Bases and Salts (Very Short Q A)
Ch2 - Acids, Bases and Salts - Indicators (Q & A)
Ch2 - Acids and Bases (Key Points To Remember)
Ch2 - Acids and Bases (MCQs-2)
Ch2 - pH related Questions and Answers 
Ch2 - Acids, Bases and Salts - About Indicators (Explainer Video)
Ch 2 - Acids, Bases & Salts (Assert-Reason Based Questions - with Answers)
Colour of Compounds/Salts

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