GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 100

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 100

991). The compound used to prepare Bakelite is
A). Ethyl alcohol
B). Acetaldehyde
C). Phenol
D). Oxalic acid

Answer: Phenol


   
992). Acetyl Salycilic acid is used as
A). tear gas
B). a fertilizer
C). pain killer
D). anaesthetic

Answer: pain killer


   
993). The highest known atomic number is
A). 100
B). 108
C). 120
D). 118

Answer: 118


   
994). Which one of the following is correctly matched?
A). Rock salt mainly consists of - Sodium
B). 'Plaster of paris' is chemically - Ptyalin known as
C). Haemoglobin consists of a metal - Gypsum
D). Starch is digested by - Iron

Answer: Rock salt mainly consists of - Sodium


   
995). The peak of Lather Meyer Atomic Volume curve is occupied by
A). halogens
B). alkali metals
C). alkaline earth metres
D). inert gases

Answer: alkali metals



996). When calcium carbide is treated with cold water, the gas evolved is
A). acetylene
B). oxygen
C). ethylene
D). methane

Answer: acetylene


   
997). The element used in vulcanising rubber is
A). Boron
B). Iodine
C). Sulphur
D). Phosphorus

Answer: Sulphur


   
998). Urea is very good fertiliser because
A). It is easily prepared
B). the nitrogen content is more
C). It is easily available
D). none of these

Answer: the nitrogen content is more


   
999). Which one of the following is an ionic crystal?
A). ice
B). salt
C). diamond
D). sand

Answer: salt


   
1000). Gold used for making ornaments is an alloy of
A). gold and copper
B). gold and silver
C). gold and bronze
D). gold and mercury

Answer: gold and copper