Chemistry Questions for SSC CGL EXAM

Dear  Readers,

We are providing the alternate quizzes on Chemistry/Biology/Physics. From this section you will get at least 7-8 questions in SSC CGL Exam. So from this quiz one can prepare general science section on daily basis.

Q1. Which of the following is a mixture? 
(a) Gunpowder 
(b) Iron sulphate 
(c) Brass 
(d) Dry ice 

Q2. All noble gases are—
(a) Colourless 
(b) Odourless 
(c) Colourless and Odourless 
(d) Light blue 

Q3. Which of the following is not a compound of calcium? 
(a) Gypsum 
(b) Marble 
(c) Chalk 
(d) Molybdenum 

Q4. Elements that show the properties of both metals and non-metals are called—
(a) Allotropes 
(b) Metalloids 
(c) Alloys 
(d) Colloids 

Q5.Which of the following is incorrect? 
(a) Mercury : Hg 
(b) Silver : Ag
(c) Sodium : Na 
(d) Potassium : Ka 

Q6. The most abundant rare gas in the atmosphere is—  
(a) He 
(b) Ne
(c) Ar
(d) Xe 

Q7. The most malleable metal is— 
(a) Platinum 
(b) Silver 
(c) Iron 
(d) Gold 

Q8. Which among the following is not a noble gas? 
(a) Argon 
(b) Radon 
(c) Neon 
(d) Bromine 

Q9. Which of the following property is true of an alkali metal? 
(a) Low electronegativity 
(b) Low ionisation weights  
(c) Low density
(d) All of the above

Q10. With increasing bond order, stability of a bond—
(a) Decreases 
(b) Increases 
(c) Remains unchanged 
(d) None of these 

Q11. The chemical name of vitamin C is—
(a) Citric acid 
(b) Ascorbic acid 
(c) Oxalic acid 
(d) Nitric acid 

Q12. Chlorine atom becomes a chloride ion by—
(a) Losing an electron 
(b) Gaining an electron  
(c) Sharing its electron with another element 
(d) Gaining a neutron 

Q13. All the following are examples of chemical change, except—
(a) Magnetising of iron nails  
(b) Rusting of iron rods 
(c) Digestion of food 
(d) Souring of milk 

Q14. Acid and alcohol react to form—
(a) Aldehyde and water 
(b) Ketone and water 
(c) Acid anhydride and water 
(d) Ester and water 

Q15. The process of elimination of water from any system is called— 
(a) Oxidation 
(b) Reduction 
(c) Dehydration 
(d) Evaporation 

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