Practice Test

Q1) Which of the following is a weak electrolyte ? Show Answer

Q2) Which of the following is a strong electrolyte ? Show Answer

Q3) An aqueous solution of an acid is characterised by the presence of Show Answer

Q4) Which of the following is a dibasic acid ? Show Answer

Q5) HCl does not behave as an acid in Show Answer

Q6) Which of the following is the weakest base ? Show Answer

Q7) When aqueous solutions of two acids have same concentration of common ions, they are called as Show Answer

Q8) Which one of the following is an acidic salt ? Show Answer

Q9) According to Bronsted concept, base is a substance which is Show Answer

Q10) According to Lowry-Bronsted concept, which one of the following is considered as an acid ? Show Answer

Q11) Conjugate base of Hydrazoic acid is Show Answer

Q12) According to Bronsted concept, water is a Show Answer

Q13) Conjugate base of a strong acid is Show Answer

Q14) The correct order of acidic strength is Show Answer

Q15) Which of the following is not a Lewis base ? Show Answer

Q16) Which of the following is a Lewis acid ? Show Answer

Q17) EDTA is a/an Show Answer

Q18) Amongst the trihalides of nitrogen, which one is least basic ? Show Answer

Q19) Which one of the following is not a Bronsted-Lowry acid ? Show Answer

Q20) Which of the following is not a Lewis base ? Show Answer

Q21) Which of the following salt undergoes hydrolysis ? Show Answer

Q22) According to Arrhenius theory, an acid is a substance which Show Answer

Q23) Aqueous solution of acetic acid contains Show Answer

Q24) Which one of the following is the strongest acid ? Show Answer

Q25) Amongst the trihalides of nitrogen, which one is least basic ? Show Answer

Q26) Which one of the following is amphiprotic in nature? Show Answer

Q27) Pyrophosphoric acid is a Show Answer

Q28) Select the strongest acid among the following Show Answer

Q29) A soda water bottle has pH Show Answer

Q30) A strong acid has a conjugate Show Answer

Q31) Water acts as a Show Answer

Q32) With reference to their relative strength, which one of the following sequences of the basis is correct ? Show Answer

Q33) Which of the following statements is incorrect for a weak acid ? Show Answer

Q34) Which of the following is incorrect ? Show Answer

Q35) Acids generally react with alkalies to form salt and water. Which one of the following bases, on reaction with acid, does not produce water along with salt ? Show Answer

Q36) The pH of the blood is maintained by the carbonic acid and bicarbonate buffer. The pH of this buffer is Show Answer

Q37) pH of the solution produced when aqueous solution of pH = 5 is mixed equal volume of an aqueous solution of pH=3 is Show Answer

Q38) which among the following is the strongest base ? Show Answer

Q39) Which is the weakest acid ? Show Answer

Q40) Which of the following statements is/are true ?
(I) Aromatic acids are stronger acid than aliphatic acids.
(II) Aliphatic acids are stronger acid than aromatic acids.
(III) Aliphatic amines are more basic than aromatic amines.
(IV) Aromatic amines are more basic than aliphatic amines. Show Answer

Q41) Which one of the following salts when dissolved in water makes the solution acidic ? Show Answer

Q42) An aqueous solution of potash alum is Show Answer

Q43) An aqueous solution of borax is Show Answer

Q44) ASSERTION :
pH of hydrochloric acid solution is less than that of acetic solution of the same concentration.
REASON :
In equimolar solutions, the number of titrable protons present in hydrochloric acid is less than that present in acetic acid. Show Answer

Q45) The pH of the solution obtained by dissolving pure sodium chloride in water is Show Answer

Q46) Two reactants in a flask produce bubbles of gas it turns lime water into milky. The reactants in the flask are Show Answer

Q47) Turmeric (Haldi) rapidly becomes colourless in addition of Show Answer

Q48) The pH of fresh milk is 6, when it turns sour the pH Show Answer

Q49) The acid contained in vinegar is Show Answer

Q50) The acid in gastric juice is Show Answer

Q51) Which one among the following is a double salt ? Show Answer

Q52) Which one among the following is the correct order of strength of acids ? Show Answer

Q53) Sometimes, indigestion is caused by the secretion of too much hydrochloric acid in the stomach. To ease the pain caused a tablet can be taken that reacts to reduce the amount of acid present which one among the following would be inappropriate for a manufacture to include as a major reactant in the table ? Show Answer

Q54) Base turn red litmus blue and acids turn blue litmus red. A student tested a liquid with a red litmus paper and it stayed red with no change. This shows that the liquid Show Answer

Q55) Human stomach produces acid X which helps in digestion of food. Acid X is Show Answer

Q56) A student heated some sulphur in a spatula and collected the gas X'. Which one among the following is correct about X' ? Show Answer

Q57) Iodized salt is a Show Answer

Q58) Which one among the following is not a property of salt ? Show Answer

Q59) Arrange the following base in increasing order of their,basic strength.
(I) Sodium hydroxide
(II) Magnesium hydroxide
(III) Aluminium hydroxide
(IV) Ammonium hydroxide
Select the correct answer : Show Answer

Q60) Acid turns blue litmus red and base turns red litmus blue. A student tested a liquid with a red litmus paper which remained red with no change. This shows that the liquid Show Answer

Q61) When applied to the affected area, which one of the following will relieve the pain due to ant-bite or bee-sting ? Show Answer