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51.

Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?1). Algal Blooms2). Lichens3). Bryophytes4). Protozoa

Answer»

I THINK OPTION 2 is the RIGHT ANSWER

52.

Which among the following is false about acids?1). They give H+ ions in aqueous solution2). Most acids contain hydrogen3). They turn blue litmus red4). They are bad conductor of electricity in aqueous solution

Answer»

option 4 : They are bad CONDUCTOR of ELECTRICITY in AQUEOUS SOLUTION is CORRECT

53.

Which of the following is not a Halon gas ?1). methane2). Carbon tetra chloride3). iodomethane4). bromomethane

Answer»

methane is the CORRECT ANSWER as PER the ssc answer KEY

54.

Which of the following elements has the lowest melting point?1). Tin2). Hydrogen3). Carbon4). Sodium

Answer»
55.

Gamam rays are-1). high energy electrons?2). ?low energy electrons3). ?high energy electromagnetic?4). high energy positions waves

Answer» OPTION 3 is the RIGHT ONE
56.

Analgesics ________.1). relieve acidity2). relieve pain3). relieve itching4). relieve bloating

Answer» OPTION 2 is the RIGHT ANSWER
57.

Sodium metal should be stored in1). Alcohol2). Kerosene oil?3). Water4). Hydrochloric acid

Answer» OPTION 2 is the RIGHT ONE
58.

The enzymes are killed-1). ?At a very high temperature?2). During chemical reaction3). At low temperature4). Under atmospheric pressure?

Answer» RIGHT ANSWER for this QUESTION is OPTION 1