Chemistry questions for competitive exams :Chemistry Question and Answer, tricks for preparation of SSC, Railway, Police, Banks, competitive exams, entrance test to prepare online Exam.
Chemistry questions quiz
We provide many free online study materials question answers with explanations. Here we provide online study material for Chemistry for sbi clerk, Chemistry questions and answers in pdf, Chemistry online test, Chemistry questions and answer with solution, Chemistry question and answer for competitive exams, Chemistry mock test, etc.
Chemistry model question paper
11. First atomic theory was proposed by –
(A) John Dalton
(B) E. Rutherford
(C) De Broglie
(D) D.I. Mendeleev
12. Normal valence of nitrogen is –
(A) 2
(B) 3
(C) 4
(D) 5
13. Which of the following gas is used in cigarette lighters -?
(A) Butane
(B) Propane
(C) Methane
(D) Ethane
14. Which of the following is not a non-electrolyte-?
(A) Acetic acid
(B) Ethanol
(C) Glucose
(D) Urea
15. Permanent Hardness of the water can be removed by adding –
(A) Soda lime
(B) washing soda
(C) Sodium Bicarbonate
(D) Sodium chloride
Chemistry quiz questions
16. Temporary hardness of water is due to the presence of –
(A) Magnesium Bicarbonate
(B) Magnesium Sulphate
(C) Calcium chloride
(D) calcium carbonate
17. Hydrogen does not combine with –
(A) Antimony
(B) Bismuth
(C) Sodium
(D) Helium
18. Pure water can be obtained from sea water by –
(A) Centric fixation
(B) Reverse osmosis
(C) Plasmolysis
(D) Sedimentation
19. Nuclear energy is based on the conversion of –
(A) Protons into Neutrons
(B) Neutrons into Protons
(C) Mass into Energy
(D) Uranium into Radium
20. An electrically charged atom or a group of atoms is known as –
(A) Meson
(B) Ion
(C) Proton
(D) Cyclotron
Chemistry formula / Chemistry tips and tricks / formulas for Chemistry
Besides Chemistry test questions or Chemistry questions, you can find here the Chemistry formula, Chemistry tutorial, Chemistry tips, and mockup test for Chemistry, etc.
Chemistry online test/Chemistry mock test/Chemistry quiz
You can do Chemistry practice or Chemistry learning here. after Chemistry preparation you may evaluate your skill by giving an online Chemistry test, Chemistry online test, Chemistry mock test, Chemistry online mock test or Chemistry quiz, etc.
Chemistry pdf download
You can download here Chemistry test pdf, Chemistry question pdf, Chemistry formula pdf.