GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 081

GENERAL SCIENCE CHEMISTRY ONE LINERS FOR TNPSC UPSC SSC SET 081

801). When methyl orange is added to hydrohloric acid, it takes the colour
A). pink
B). red
C). blue
D). yellow

Answer: pink


   
802). The most abundantly found gas in atmosphere is
A). nitrogen
B). hydrogen
C). oxygen
D). carbon di-oxide

Answer: nitrogen


   
803). Spirit is
A). methyl alcohol
B). ethyl alcohol
C). propyl alcohol
D). butyl alcohol

Answer: methyl alcohol


   
804). Among the following a fertilizer is
A). calcium sulphate
B). magnesium sulphate
C). lead sulphate
D). ammonium sulphate

Answer: ammonium sulphate


   
805). In the modern periodic table, elements are classified on the basis of
A). atomic number
B). atomic weight
C). valency
D). atomic size

Answer: atomic number



806). Why is tungsten used in electric bulbs?
A). it is cheaper than other metals
B). it is durable
C). it has high melting point
D). it makes the bulb glow brighter

Answer: it has high melting point


   
807). Radon is
A). german radio
B). an explosive
C). artificial fibre
D). inert gas

Answer: inert gas


   
808). ...........is a synthetic polymer
A). PVC
B). protein
C). cellulose
D). starch

Answer: PVC


   
809). The element that shows maximum catenation is
A). silicon
B). carbon
C). lead
D). tin

Answer: carbon


   
810). In covalent solids ......... occupy the lattice positions
A). molecules
B). ions
C). atoms
D). electrons

Answer: electrons