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General Science MCQ Questions | Test Paper 17

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Test Paper 17

 

1. Curd and lemon juice taste as sour because they contain ?

a) Bases

b) Acids

c) Both

d) None

b) Acids

 

2. Substance which tastes bitter are

a) Bases

b) Acids

c) Both

d) None

a) Bases

 

3. Natural indicators to test acids and bases

a) Turmeric

b) Litmus

c) China rose petals

d) All the above

d) All the above

 

4. Acid in Vinegar ?

a) Acetic acid

b) Formic acid

c) Citric acid

d) Lactic acid

a) Acetic acids

 

5. Acid in Ant’s Sting

a) Acetic acid

b) Lactic acid

c) Citric acid

d) Formic acid

d) Formic acids

 

6. Acid in Citrus fruits, Oranges and lemons ?

a) Acetic acid

b) Lactic acid

c) Citric acid

d) Formic acid

c) Citric acid

 

7. Acid in Curd ?

a) Acetic acid

b) Lactic acid

c) Citric acid

d) Formic acid

b) Lactic acid

 

8. Acid in Spinach ?

a) Acetic acid

b) Lactic acid

c) Citric acid

d) Oxalic acid

d) Oxalic acid

 

9. Acid in Amla ?

a) Acetic acid

b) Ascorbic acid

c) Citric acid

d) Oxalic acid

b) Ascorbic acid
Note: Vitamin C is known as Ascorbic acid

 

10. Acids in Grapes, Unripe Mangoes and Tamarind ?

a) Acetic acid

b) Ascorbic acid

c) Citric acid

d) Tartaric acid

d) Tartaric acid

 

11. Bases in Lime water ?

a) Calcium Hydroxide

b) Ammonium Hydroxide

c) Sodium Hydroxide

d) Magnesium hydroxide

a) Calcium Hydroxide

 

12. Bases in Window cleaner liquid ?

a) Calcium Hydroxide

b) Ammo Hydroxide

c) Sodium Hydroxide

d) Ammonium Hydroxide

d) Ammonium hydroxide

 

13. Bases in soap found ?

a) Potassium Hydroxide

b) Ammo Hydroxide

c) Sodium Hydroxide

d) A and C

d) A and C

 

14. Bases in Milk of Magnesia ?

a) Calcium Hydroxide

b) Ammonium Hydroxide

c) Sodium Hydroxide

d) Magnesium hydroxide

d) Magnesium hydroxide

 

15. commonly used indicator to test Acid and Bases ?

a) Rose Petal

b) Litmus

c) Both

d) None

b) Litmus

 

16. Litmus are extracted from

a) Water pond

b) Lichens

c) China Rose petals

d) None

a) Lichens

 

17. Blue Litmus paper turns to Red when added to

a) Bases

b) Acid

c) Both

d) None

b) Acid

 

18. Red Litmus paper turns to Blue when added to

a) Bases

b) Acid

c) Both

d) None

a) Bases

 

19. Litmus paper with neutral solutions turns as

a) Red

b) Blue

c) Either Red or Blue

d) None

c) Either Red or Blue

 

20. Turmeric stain on white shirt turn to __________ color when it washes with soap solution ?

a) Blue

b) Red

c) Pink

d) None

b) Red
Note: Soap solution is base, so it will turns to red color

 

21. China rose turns acidic solution to ?

a) Dark Pink

b) Green

c) Both

d) None

a) Dark Pink

 

22. China rose turns basic solution to ?

a) Dark Pink

b) Green

c) Both

d) None

b) Green

 

23. Acid rain because of acids

a) Carbonic acid

b) Sulphuric acid

c) Nitric acid

d) All the above

d) All the above

 

24. Air Pollutants in the following are

a) Carbon dioxide

b) Sulphur dioxide

c) Nitrogen dioxide

d) All the above

c) Nitrogen dioxide

 

25. Reaction between Acid and Base is known as ?

a) Acid Base Reaction

b) Neutralization

c) Both

d) None

b) Neutralization

 

26. In Neutralization reaction, which of the are produced with evolution of heat ?

a) Salt

b) Water

c) Both

d) None

c) Both

 

27. To relive from indigestion problem, which of the following are used ?

a) Bases

b) Antacid

c) Both

d) None

b) Antacid

 

28.To relieve Ant bites(formic acid) pain, which of the following are used ?

a) Baking soda

b) Calamine Solution

c) Both

d) None

c) Both

 

29. Baking soda is known as ?

a) Sodium hydrogen carbonate

b) Sodium Carbonate

c) Sodium

d) None

a) Sodium hydrogen carbonate

 

30. Calamine Solution contains ?

a) Zinc

b) Zinc Carbonate

c) Both

d) None

a) Zinc Carbonate

 

31. Soil treatment Process – If soil is too acidic, treated with bases like

a) Quick Lime

b) Slaked Lime

c) Both

d) None

c) Both

 

31. Soil treatment Process – If soil is too basic, treated with

a) Quick Lime

b) Slaked Lime

c) Organic matter

d) None

c) Organic matter

 

32. Quick Lime is known as

a) Calcium oxide

b) Calcium hydroxide

c) Calcium dioxide

d) None

a) Calcium oxide

 

33. Slaked Lime is known as ?

a) Calcium oxide

b) Calcium hydroxide

c) Calcium dioxide

d) None

b) Calcium hydroxide

 

34. Substance which are neither acid or base is called as ?

a) Acid-Base

b) Base-Acid

c) Neutral

d) All the above

c) Neutral

 

35. Every cell in human body contains ?

a) Acids

b) Bases

c) Both

d) None

a) Acids

 

36. DNA means ?

a) Deoxyribo Nucleic Acid

b) De Nucleic Acid

c) Dechlro Nucelic Acid

d) None

a) Deoxyribo Nucleic Acid

 

37. Physical Properties of substance ?

a) Shape

b) Colour

c) Size

d) State

e) All the above

e) All the above

 

38. Substance which undergoes change in its physical properties is called as ?

a) Damage

b) Physical change

c) Both

d) None

b) Physical change

 

39. In general physical changes are ?

a) Irreversible

b) Reversible

c) Both

d) None

b) Reversible

 

40. Burning of Magnesium ribbon, flames are ?

a) Reddish

b) Brownish

c) White

d) None

c) White

 

41. Carbon dioxide is mixed with lime water gives ?

a) Calcium bicarbonate

b) Calcium carbonate

c) Both

d) None

b) Calcium carbonate

 

42. When Vinegar mixes with baking soda gives?

a) Oxygen

b) Nitrogrn

c) Carbon dioxide

d) None

c) Carbon dioxide

 

43. A Change in which one or more new substance is formed is know as ?

a) Physical change

b) Chemical change

c) Substance change

d) None

b) Chemical change

 

44. Iron rust is known as ?

a) Iron dioxide

b) Iron oxide

c) Both

c) None

b) Iron oxide

 

45. To Prevent Iron Rust, which of the following are used over metal layer on Iron /

a) Chromium

b) Zinc

c) Both

d) None

c) Both

 

46. Process of depositing Zinc layer on Iron is known as

a) Zinc coat

b) Iron coat

c) Galvanisation

d) None

c) Galvanisation

 

47. Satin steel are made up of by mixing Iron with carbon and metals like

a) Chromium

b) Nickel

c) Manganese

d) All the above

a) All the above

 

48. Crystallization is ?

a) Chemical change

b) Physical change

c) Both

d) None

b) Physical change

 

49. Ozone is ?

a) O2

b) O3

c) O4

d) None

b) O3

 

50. Proteins are made of ?

a) Fatty acids

b) Amino acids

c) Nucleic acid

d) All the above

b) Amino acids

 

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