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question_answer1) Identify a compound which contains replaceable hydrogen.
question_answer2) Which acid is present in an apple?
question_answer3) Which of the following is a mineral acid?
question_answer4) Which acid completely dissociates when dissolved in water?
question_answer5) Which acid is weak among mineral acids?
question_answer6) Which of the following is a strong acid?
question_answer7) Which of the following is made up of bases?
question_answer8) Which of the following is formed by the reaction of an acid with a base?
question_answer9) Identify the salt which contains both negative or positive ions.
question_answer10) Which of the following is a strong base?
question_answer11) Which of the following is a dibasic acid?
question_answer12) Identify the type of product formed in the given chemical equation. \[Pb{{(OH)}_{2}}+HN{{O}_{3}}\to Pb(OH)N{{O}_{3}}+{{H}_{2}}O\]
question_answer13) An excess of dilute sulphuric acid reacts with both aqueous barium hydroxide and aqueous barium chloride respectively. In what way are the two reactions the same?
question_answer14) What is the colour of Copper (II) Chloride formed in the given chemical equation? \[\underset{(black)}{\mathop{CuO+}}\,2HCl\to \underset{(?)}{\mathop{CuC{{l}_{2}}}}\,+{{H}_{2}}O\]
question_answer15) Identify the pH of a solution that turns blue litmus red.
question_answer16) Which solution does not conduct electricity?
question_answer17) Which acid is used in lead storage batteries?
question_answer18) Identify the acid used in the manufacture of glass.
question_answer19) A solid element 'X' is a non-metal. It can form
question_answer20) Which gas is passed through dry slaked lime to produce bleaching powder?
question_answer21) Which ion is commonly found in an acid and a base?
question_answer22) Identify the acid used for producing explosives.
question_answer23) Which compound is added to acidic lake water to prevent killing of fishes?
question_answer24) Identify the weakest acid from the following.
question_answer25) A milk man adds a very small amount of baking soda to fresh milk. Why?
question_answer26) Which of the following occur(s) due to water of crystallization?
question_answer27) Which of the following compounds dissolves in water to give a solution with a pH greater than 7?
question_answer28) Which calcium compound does NOT increase the pH of acidic soils?
question_answer29) A white compound produces a mixture of gases when heated. This mixture turns moist universal indicator paper red and relights a glowing splinter. What does this mixture contain?
question_answer30) Compound 'X' in the aqueous form reacts with ammonium carbonate to give an acidic gas. What is compound 'X'?
question_answer31) Which of the following is NOT a salt?
question_answer32) Which of the following will not change the pH of \[\text{1}0\text{ c}{{\text{m}}^{\text{3}}}\] of dilute HCl when added to the acid?
question_answer33) Which of the given substances is used in the following applications? (i) It is used as a fire proofing material. (ii) For sealing gaps in laboratory apparatus. (iii) It is used in making toys.
question_answer34) Which of the following is a salt of strong acid and a weak base?
question_answer35) Who devised pH scale?
question_answer36) What happens when zinc is added to sodium hydroxide solution in a beaker and warmed?
question_answer37) Abhi added a few m/ of conc. Sulphuric acid to zinc granules. Which of the following reactions takes place when metal zinc reacts with it?
question_answer38) By A substance 'X' reacts with dilute nitric acid to produce a colorless gas. This gas is dissolved in water to form a solution with pH value less than 7. Identify the substance 'X'.
question_answer39) On a pH scale, pH of blood is shown below. What is the nature of blood?
question_answer40) In an accident at a factory, some nitric acid was spilled. Which substance, when added in excess, would neutralize the acid without leaving traces of alkaline solution?
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