HomeCLASS 10 SCIENCE-CHEMISTRYAcid base & salt -Class 10 -MCQ Acid base & salt -Class 10 -MCQ Quiz Acids, Bases and Salts (MCQs) 1. In chemical reaction A + B -> C + H2O A is a strong acid and B is a strong base. What is C & What will be the pH value of C? Netural salt, pH value equal to 7 Acidic salt, pH value less than 7 Basic salt, pH value more than 7 None of these 2. A weak acid reacts with strong base. What will be the nature of salt obtained by neturalisation reaction? Salt is acidic in nature Salt is basic in nature Salt is netural in nature None of these 3. What is brine? Aqueous solution of NaOH Aqueous solution of NaCl Aqueous solution of MgCl2 None 4. When electricity is passed through brine solution than chlorine gas is released from? Anode side Cathod side Both side None of these 5. When electricity is passed through a aqueous solution of NaCl. Which are the products of this reaction? NaOH H2 Cl2 All of the above 6. When any acid is diluted its pH value will ___________. Increase Decrease No change None of these 7. When any base is diluted its pH value will ___________. Increase Decrease No change None of these 8. Which acid is present in tomato? Acetic acid Oxalic acid Formic acid None of these 9. Which acid is present in Nettle sting? Acetic acid Methanoic acid Oxalic acid Formic acid 10. What are the chemicals requried for production of bleaching powder? Ca(OH)2 Cl2 Both None of these 11. What is the chemical name of CaOCl2? Calcium hypochloride Calcium chloride Calcium hydrochloride None of these 12. What happens to the Cl2 is passed through dry slaked lime? Bleaching powder is formed Water is released Both None of these 13. What is the chemical formula of baking soda? NaHCO3 Na2CO3 Both None of these 14. What is the chemical formula of washing soda? NaHCO3 Na2CO3.10H2O CaCO3 None of these 15. Five solutions A,B,C,D and E when tested with universal indicator showed pH as 4,1,11,7 and 9, respectively. Which solution is neutral? A B C D 16. Five solutions A,B,C,D and E when tested with universal indicator showed pH as 4,1,11,7 and 9, respectively. Which solution is strongly alkaline? A B C D 17. Five solutions A,B,C,D and E when tested with universal indicator showed pH as 4,1,11,7 and 9, respectively. Which solution is strongly acidic? A B C D 18. Five solutions A,B,C,D and E when tested with universal indicator showed pH as 4,1,11,7 and 9, respectively. Which solution is weakly acidic? A B C D 19. Five solutions A,B,C,D and E when tested with universal indicator showed pH as 4,1,11,7 and 9, respectively. Which solution is weakly alkaline? B C D E 20. What is the chemical formula of plaster of paris? CaSO4.2H2O CaSO4 CaCO3 Na2CO3.10H2O Submit Your Answers Newer Older
