Question

34. 10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HOLE
take 20 mL of the same solution of NaOH, the amount of HCl solution (the same solution as before) regat
to neutralise it will be :
(a) 4 mL
(b) 8 ml
(c) 12 mL
(d) 16 mL
35. Which of the following types of medicine is used for treating indigestion caused by over-eating?
(a) antibiotic
(b) analgesic
(c) antacid
(d) antiseptic
36. A solution reacts with marble chips to produce a gas which turns lime water milky. The solution contain
(a) Na2SO4
(b) CaSO4
(c) H2SO,
(d) KSO,
37. One of the following is not an organic acid. This is :
(a) ethanoic acid (b) formic acid
(c) citric acid
(a) carbonic acid
38. The property which is not shown by acids is :
(a) they have sour taste
(b) they feel soapy
(c) they turn litmus red
(d) their pH is less than seven
39. The indicators which turn red in acid solution are :
(a) turmeric and litnus
(b) phenolphthalein and methyl orange
(c) litmus and methyl orange
(d) phenolphthalein and litmus
40. The discomfort caused by indigestion due to overeating can be cured by taking :
(a) vinegar
(b) lemon juice
(c) baking soda
(d) caustic soda
41. The property which is common between vinegar and curd is that they :
(@) have sweet taste (b) have bitter taste (c) are tasteless (d) have sour taste
42. The indicator which produces a pink colour in an alkaline solution is :
(b) turmeric paper
(c) phenolphthalein d
43. A solution reacts with zinc granules to give a gas which burns with a 'pop' sound. The solution contain
(6) Na2CO3
(d) HC
(a) methyl orange
(2) Mg(OH)2
(c) Naci​

Answer 1

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Answer 2

Answer:

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