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Acids Bases And Salts Mock Tests

26 questions available

Acids Bases And Salts Mock Test 1

Questions: 26

नमूना प्रश्न

Class 10 Science
Which of the following salts, when dissolved in water, will produce a solution with a pH less than 7?
A Sodium chloride
B Sodium carbonate
C Ammonium chloride
D Potassium nitrate
Class 10 Science
An element X reacts with oxygen to form X₂O. This oxide dissolves in water to turn red litmus paper blue. Which of the following elements is most likely to be X?
A Carbon
B Sodium
C Iron
D Copper
Class 10 Science
The chemical formula of bleaching powder is:
A CaOCl₂
B Ca(OCl)₂
C CaCl₂
D CaOCl
Class 10 Science
The chemical name of baking soda is:
A Sodium chloride
B Sodium carbonate
C Sodium hydrogen carbonate
D Sodium hydroxide
Class 10 Science
The chemical name of bleaching powder is:
A Calcium chloride
B Calcium oxychloride
C Calcium carbonate
D Calcium hydroxide
Class 10 Science
A solution A turns pink when phenolphthalein is added to it. Solution B turns red when blue litmus paper is dipped in it. Which of the following statements is correct?
A A is acidic and B is basic
B A is basic and B is acidic
C Both A and B are acidic
D Both A and B are basic
Class 10 Science
Which of the following ions is responsible for the sour taste of sour substances?
A Hydroxide ion
B Hydronium ion
C Chloride ion
D Carbonate ion
Class 10 Science
The chemical formula of bleaching powder is:
A CaOCl₂
B Ca(OH)₂
C NaCl
D CaCO₃

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