GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 113

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 113

1121). Which is used in softening of hard water?

A). Bleaching powder

B). Washing soda

C). Baking soda

D). Soda ash

Answer: Bleaching powder

   

1122). The chemical name of aspirin is

A). Paracetamol

B). Acetyl salicylic acid

C). Acetominophen

D). Ibuprofen

Answer: Acetyl salicylic acid

   

1123). The lightest element known is

A). Helium

B). Hydrogen

C). Argon

D). Lithium

Answer: Hydrogen

   

1124). The taste of base is

A). sour

B). bitter

C). sweet

D). salty

Answer: bitter

   

1125). In Haber's process

A). SO2 is manufactured.

B). H2SO4 is manufactured.

C). HNO3 is manufactured.

D). NH3 is manufactured

Answer: NH3 is manufactured

1126). The oxide that maximum portion in cement is

A). SiO2

B). Fe2O3

C). Al2O3

D). CaO

Answer: CaO

   

1127). Solid, liquid, gas, .......... The fourth state is

A). saturated vapour

B). colloid

C). crystaline

D). plasma

Answer: plasma

   

1128). Which of the following energies is a non-renewable energy?

A). Solar energy

B). Wind energy:

C). Tidal energy

D). Petroleum

Answer: Petroleum

   

1129). A non-metal which exists as a liquid at room temperature is

A). Hg

B). Na.

C). Cl2

D). Br2

Answer: Br2

   

1130). The acid which has a peroxy linkage is

A). Sulphurous acid

B). Pyrosulphuric acid

C). Dithionic acid

D). Caro's acid

Answer: Pyrosulphuric acid