IndiaBIX

General Knowledge - General Science

Exercise : General Science - Elements and Metals
31.
Potassium nitrate is used in
medicine
fertiliser
salt
glass
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Permanent hardness of water may be removed by the addition of
sodium carbonate
alum
potassium permanganate
lime
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Soda water contains
carbonic acid
sulphuric acid
carbon dioxide
nitrous acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The most important ore of aluminium is
galena
calamine
calcite
bauxite
Answer: Option
Explanation:
Bauxite is an aluminium ore and is the main source of aluminium.
35.
Most soluble in water is
camphor
sulphur
common salt
sugar
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers