Important Chemistry Questions SSC CGL Exam 2020
Dear Readers, In this article we are sharing Important Chemistry Questions SSC CGL Exam 2020. As you all know that Chemistry is one of the most important part of G.S. So here we are posting some questions this. Chemistry covers a good number of questions making it an important topic to cover in SSC Exams. Around 3-4 questions asks from Chemistry which surely makes it important for you to study the topic well for upcoming SSC Exams.
Important Chemistry Questions SSC CGL Exam 2020 pdf download links are given at the end of the post
Q1. The pH of lemon juice is expected to be—
(a) more than 7
(b) equal to 7
(c) nothing can be predicted
(d) less than 7
Q2. The purity of Milk is determined by—
(a) Hydrometer
(b) Lactometer
(c) Stalagmometer
(d) Thermometer
Q3. Which of the following is used as anesthetic?
(a) NH3
(b) NO
(c) NO2
(d) N2O
Q4. On heating Gypsum loses certain percentage of its water content and becomes—
(a) Chalk
(b) Calcium sulphate
(c) Plaster of Paris
(d) a pearl
Q5. The bubbles in Champagne and Soda are—
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Hydrogen
Q6. Gobar gas contains mainly—
(a) Butane
(b) Carbon monoxide
(c) Methane
(d) Carbon dioxide
Q7. The process of separation of pure water from impurities is called
(a) Fractional crystallisation
(b) Sublimation
(c) Distillation
(d) None of the above
Q8. The science which deals with drugs is—
(a) Physiology
(b) Odontology
(c) Pharmacology
(d) Chronology
Q9. The main pollutant responsible for Bhopal Gas Tragedy is—
(a) Methyl iscocyante
(b) Bromine
(c) Chlorofluro carbon
(d) Chlorine
Q10. In the periodic table with the increase in atomic number, the metallic character of an element
(a) decrease in period and increase in group
(b) increase in period and decrease in group
(c) increase both in period in group
(d) decrease in period and group
Q11. If the atomic number of an element is 33, it will be placed in the periodic table in the
(a) first group
(b) third group
(c) fifth group
(d) seventh group
Q12. In the periodic table from left to right in a period, the atomic volume
(a) decrease
(b) increase
(c) remain same
(d) first decrease than increase
Q13. Ionic radii are
(a) inversely proportional to effective nuclear charge
(b) inversely proportional to square of effective nuclear charge
(c) directly proportional to effective nuclear charge
(d) directly proportional to square of effective nuclear charge
Q14. The atoms of elements belonging to the same group of periodic table have the same
(a) number of proton
(b) number of electron
(c) number of neutron
(d) number of electrons in the outer most shell
Q15. Which of the following element is not in the liquid state?
(a) Hg
(b) Li
(c) Ga
(d) Br
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