GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 029

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 029

281). Anhydrous calcium chloride acts as a/an
A). dehydrating agent
B). drug
C). oxidant
D). mordant

Answer: dehydrating agent


   
282). Chemotherapy deals with
A). industrial engineering
B). the use of chemicals in warfare
C). the study and uses of chemicals in the cure of diseases
D). the use of chemicals in the food industry.

Answer: the study and uses of chemicals in the cure of diseases


   
283). Cholesterol is a
A). type of chlorophyll
B). derivative of chloroform
C). fatty alcohol found in animal fats
D). chromium salt

Answer: fatty alcohol found in animal fats


   
284). DDT is the name of a chemical that can be used a/an
A). antiseptic
B). insecticide
C). antibiotic
D). fertiliser

Answer: insecticide


   
285). A substance that removes dirt and grease from surfaces is called
A). detergent
B). lubricant
C). bleaching agent
D). reducing agent

Answer: detergent



286). The state of matter that takes the shape of the vessel in which it is stored 
is called
A). gummy solid
B). fluid
C). gas
D). solid

Answer: fluid

   
287). A substance mixed with metals to promote fusion (melting) is called a
A). fuse
B). flux
C). fuel
D). calcinating agent

Answer: flux


   
288). Gasoline is the name given to the same substance as
A). diesel oil
B). petrol
C). natural gas
D). crude oil

Answer: petrol


   
289). The type of water which does not produce lather easily with soap is called
A). soil water
B). heavy water
C). hard water
D). mineral water

Answer: hard water


   
290). The gas used for inflating balloons is
A). nitrogen
B). hydrogen
C). helium
D). air

Answer: helium