GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 066

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 066

651). Milk is an example of
A). suspension
B). gel
C). foam
D). emulsion

Answer: emulsion

   
652). The mass number of hydrogen is
A). 2.5
B). 1
C). 1.8
D). 3

Answer: 1


   
653). Bakelite is obtained from
A). Phenol and benzaldehyde
B). Phenol and formaldehyde
C). Phenol and acetaldehyde
D). Phenol and acetone

Answer: Phenol and formaldehyde


   
654). During dehydration the body loses
A). iron
B). sugar
C). sodium chloride
D). calcium sulphate

Answer: sugar


   
655). The hormone that contains iodine is
A). adrenaline
B). insulin
C). thyroxin
D). testosterone

Answer: thyroxin



656). Green house effect causes.
A). formation of chlorophyll in plants
B). growth of plant in glass house
C). photosynthesis in plants
D). heating of earth surface

Answer: heating of earth surface

   
657). The hybridization of carbon in ethane is
A). sp^3
B). sp^2
C). sp
D). dsp^2

Answer: sp^3



   
658). Which is the weakest?
A). Ionic bond
B). hydrogen bong
C). covalent bond
D). metallic bond

Answer: covalent bond


   
659). Ornamental gold contains
A). silver
B). tin
C). copper
D). manganese

Answer: copper


   
660). Which is used to produce artificial rain?
A). silver nitrate
B). sand
C). silver iodide
D). copper oxide

Answer: silver iodide