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
21. Positron has nearly the same weight as that of –
(A) Alpha-Paralite
(B) Neutron
(C) Proton
(D) Electron
22. Nucleons are –
(A) Protons and electrons
(B) Electrons and Neutrons
(C) Protons and Neutrons
(D) Electrons, Protons and Neutrons
23. A nuclear reaction must be balanced in terms of –
(A) Energy
(B) Mass
(C) Mass and Energy
(D) None of these
24. The molecular weight of cellulose varies between –
(A) 1000 to 20000
(B) 100 to 200
(C) 20000 to 500000
(D) 100000 to 2000000
25. Parlon is –
(A) Rubber
(B) Terelene
(C) Nylon – 6
(D) Oxlon
Chemistry quiz questions
26. Polymer used in bullet proof glass is –
(A) Lexane
(B) Nomax
(C) PMMA
(D) Kevlar
27. The main active constituent of tea and coffee is –
(A) Nicotine
(B) Chlorophyll
(C) Caffeine
(D) Aspirin
28. The hardest form of carbon is –
(A) Coke
(B) Graphite
(C) Diamond
(D) Charcoal
29. The concept of elliptical orbital was suggested by –
(A) Thomson
(B) Neil Bohr
(C) Rutherford
(D) Sommerfeld
30. Water drops are spherical because of –
(A) Polarity
(B) Viscosity
(C) Surface Tension
(D) Density
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.