Basic Science Questions for Competitive Exam

Here, I am giving Basic Science Questions for Competitive Exam that consists of Multiple-Choice Questions on general science. Test your general knowledge and general science on multiple questions of science that leads to various types of science questions. 

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Basic Science Questions for Competitive Exam 

Q.1 Which of the following was to be discovered first in the chromospheres of the sun?

(A) Krypton

(B) Xenon

(C) Neon

(D) Helium

Q.2 Which of the following is in liquid form at room temperature?

(A) Lithium

(B) Sodium

(C) Francium

(D) Cerium

Q.3 Sodium metal is kept under

(A) petrol

(B) alcohol

(C) water

(D) kerosene

Q.4 Which of the following are the ingredients of gunmetal?

(A) Iron, Zinc, Titanium

(B) Iron, tin

(C) Iron, Brass, Tin

(D) Copper, Tin

Q.5 From which mineral is radium obtained?

(A) Rutile

(B) Haematite

(C) Limestone

(D) Pitchblende

Q.6 Potassium nitrate is used in

(A) medicine

(B) fertiliser

(C) salt

(D) glass

Q.7 Permanent hardness of water may be removed by the addition of

(A) sodium carbonate

(B) alum

(C) potassium permanganate

(D) lime

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