NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. Chemistry Mock Test 14
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Q-1. If 0.1 M of a weak acid is taken, and its percentage of degree of ionization is 1.34% , then calculate its ionization constant.
(a)
(b)
(c)
(d) None of these
Q-2 If a substance with half-life 3 days is taken at other place in 12 days. What amout of substance is left now?
(a)
(b)
(c)
(d)
Q-3. To prepare a solution of concentration of 0.03 g⟋ml of what amount of should be added in 60 ml of solution?
(a) 1.8
(b) 0.8
(c) 0.18
(d) None of these
Q-4. How will you separate a solution (miscible) of benzene + ?
(a) Sublimation
(b) Filtration
(c) Distillation
(d) Crystallization
Q-5. When alcohol reacts with concentrated intermediate compound formed is
(a) Carbonium ion
(b) Alkxy ion
(c) Alkyl hydrogen sulphate
(d) None of these
Q-6. According to law of mass action, rate of a chemical reaction is proportional to
(a) Concentration of reactants
(b) Molar concentration of reactants
(c) Concentration of products
(d) Moral concentration of products.
Q-7.In Hall՚s process, the main reagent is mixed with
(a)
(b)
(c)
(d) None of these
Q-8.In electrolysis of dilute what is liberated at anode?
(a)
(b)
(c)
(d)
Q-9. Vinegar obtained from sugarcane has
(a)
(b)
(c)
(d)
Q-10. What is the packet of energy called?
(a) Electron
(b) Photon
(c) Positron
(d) Proton
Q-11. When an acid cell is charged, then
(a) Voltage of cell increases
(b) Electrolyte of cell dilutes
(c) Resistance of cell increases
(d) None of these.
Q-12. is prepared by the method
(a) Down՚s cell
(b) Costner cell
(c) Solvay process
(d) Costner Keller cell.
Q-13. When toluene is treated with what is produced?
(a) Benzene
(b) Chlorobenzene
(c) Benzaldedehyde
(d) Benzoic acid
Q-14. Solder is an alloy of
(a)
(b)
(c)
(d)
Q-15. Carbolic acid is
(a)
(b)
(c)
(d)
Q-16. Alcohols are isomeric with
(a) Acids
(b) Ethers
(c) Esters
(d) Aldehyde
Q-17. The group linkage present in fats is
(a) Peptide linkage
(b) Ester linkage
(c) Glycoside linkage
(d) None of these
Q-18. The group present in waxes are
(a) Acid group
(b) Ester group
(c) Alcohol group
(d) Ether group
Q-19. Which of the following is liquid at room temperature?
(a)
(b)
(c)
(d)
Q-20. Which gas is liberated when is hydrolyzed?
(a)
(b)
(c)
(d)
Q-21. The only alcohol that can be prepared by the indirect hydration of alkenes is
(a) Ethyl alcohol
(b) Propel alcohol
(c) Isobutyl alcohol
(d) Methyl alcohol
Q-22. Baking powder is
(a)
(b)
(c)
(d)
Q-23. When washing soda is soda is heated
(a) is released
(b) is released
(c) is released
(d) Water vapor is released.
Q-24. Which of the following attacks glass?
(a) HCl
(b) HF
(c) Hl
(d) HBr.
Q-25. A colorless gas with the smell of rotten fish is
(a)
(b)
(c)
(d) None of these
Q-26. Salicylic acid is prepared from phenol by
(a) Reimer Thiemann reaction
(b) Kolbe՚s reaction
(c) Kolbe-electrolysis reaction
(d) None of these
Q-27. Heating of are in presence of air to remove sulphiric impurities is called
(a) Calcinations
(b) Roasting
(c) Smelting
(d) None of these
Q-28. Reaction in a line goes to completion because
(a) to give
(b) Backward reaction is very slow
(c) formed escapes out
(d) None of these
Q-29. If 30 ml of and 20 ml of reacts to from water, what is left at the end of the reaction?
(a)
(b)
(c)
(d) 5 ml of
Q-30. Which of the following is a highly corrosive salt?
(a)
(b)
(c)
(d)
Q-31.0. 5 M of is diluted from 1 liter to 10 liter, normality of resulting solution is
(a) 1 N
(b) 0.1 N
(c) 10 N
(d) 11 N
Q-32. Formula for tear gas is
(a)
(b)
(c)
(d) None of these
Q-33. Which of the following is potassiumeferric-yanide?
(a)
(b)
(c)
(d)
Q-34. Sodium nitroprusside when added to an alkaline solution of sulphide ions produce a
(a) Red coloration
(b) Blue coloration
(c) Purple coloration
(d) Brown coloration
Q-35. The product obtained on reaction of with hydrogen over palladium carbon is
(a)
(b)
(c)
(d)
Q-36. A solution has pH = 5, it is diluted 100 times, then it will become
(a) Neutral
(b) Basic
(c) Unaffected
(d) More-acidic.
Q-37. Ketones react with Mg-Hg over water gives
(a) Pinacolone
(b) Pinacols
(c) Alcohols
(d) None of these.
Q-38. X is heated with soda lime and gives ethane. X is
(a) Ethanoic acid
(b) Methanoic acid
(c) Propionic acid
(d) Either (a) or (c) .
Q-39. The product obtained on fusion of and is
(a)
(b)
(c)
(d)
Q-40. A 5 moral solution of is diluted from 1 liter to 10 liters. What is the normality of the solution?
(a) 0.25 N
(b) 1 N
(c) 2 N
(d) 7 N