GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 031
301). The poisonous substance that is the main constituent of tobacco is
A). morphine
B). aspirin
C). nicotine
D). reserpine
Answer: nicotine
302). The main active constituent of tea and coffee is
A). nicotine
B). chlorophyll
C). caffeine
D). aspirin
Answer: caffeine
303). Containers for carrying strong acids are made of
A). platinum
B). brass
C). copper
D). lead
Answer: lead
304). A dark-purple compound used as an antiseptic and as a disinfectant is
A). potassium nitrate
B). sodium thiosulphate
C). potassium permanganate
D). calcium phosphate
Answer: potassium permanganate
305). The branch of chemistry dealing with the accurate determination of the amounts of various substances is called
A). biochemistry
B). inorganic chemistry
C). organometallic chemistry
D). analytical chemistry
Answer: analytical chemistry
306). Alloy steel containing chromium to resist rusting is known as
A). wrought iron
B). cast iron
C). hard steel
D). stainless steel
Answer: stainless steel
307). The point at which the solid, liquid and gaseous forms of a substance co-exist is called its
A). boiling point
B). melting point
C). triple point
D). freezing point
Answer: triple point
308). Pencil 'lead' is made up of
A). graphite
B). charcoal
C). lead oxide
D). lampblack
Answer: graphite
309). Antibodies is the name given to
A). harmful bacteria
B). poisonous substances
C). viruses that cause infections
D). substances formed in the blood that inhibit or destroy harmful bacterial attacks
Answer: substances formed in the blood that inhibit or destroy harmful
bacterial attacks
310). A medical substance given against the intake of poisons or to prevent a
disease from having an effect is known as an
A). antibody
B). antigen
C). antidote
D). antibiotic
Answer: antidote
A). morphine
B). aspirin
C). nicotine
D). reserpine
Answer: nicotine
302). The main active constituent of tea and coffee is
A). nicotine
B). chlorophyll
C). caffeine
D). aspirin
Answer: caffeine
303). Containers for carrying strong acids are made of
A). platinum
B). brass
C). copper
D). lead
Answer: lead
304). A dark-purple compound used as an antiseptic and as a disinfectant is
A). potassium nitrate
B). sodium thiosulphate
C). potassium permanganate
D). calcium phosphate
Answer: potassium permanganate
305). The branch of chemistry dealing with the accurate determination of the amounts of various substances is called
A). biochemistry
B). inorganic chemistry
C). organometallic chemistry
D). analytical chemistry
Answer: analytical chemistry
306). Alloy steel containing chromium to resist rusting is known as
A). wrought iron
B). cast iron
C). hard steel
D). stainless steel
Answer: stainless steel
307). The point at which the solid, liquid and gaseous forms of a substance co-exist is called its
A). boiling point
B). melting point
C). triple point
D). freezing point
Answer: triple point
308). Pencil 'lead' is made up of
A). graphite
B). charcoal
C). lead oxide
D). lampblack
Answer: graphite
309). Antibodies is the name given to
A). harmful bacteria
B). poisonous substances
C). viruses that cause infections
D). substances formed in the blood that inhibit or destroy harmful bacterial attacks
Answer: substances formed in the blood that inhibit or destroy harmful
bacterial attacks
310). A medical substance given against the intake of poisons or to prevent a
disease from having an effect is known as an
A). antibody
B). antigen
C). antidote
D). antibiotic
Answer: antidote
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