101) In electrolytic refining of metals, the pure metal is taken as
A) Anode
B) Cathode
C) Electrolyte
D) Vessel
102) The reaction that takes place in Thermite process is
A) Reduction
B) Oxidation
C) Neutralisation
D) None of the above
103) What does the symbol 'A' represent in a chemical equation
A) Catalyst
B) Precipitate
C) Heating
D) Physical state
104) The product formed when quick lime reacts with water is
A) CaSO4
B) Ca(OH)2
C) CaCO3
D) CaCl2
2
105) Which one of the following is not a product in the electrolysis of aqueous NaCl
A) NaOH
B) O2
C) Cl2
D) H2
2
106) Which of the following has highest mass
A) One molecule H2 O
B) One gram H2 O
C) One ml H2 O
D) One mole H2 O
2 O
107) When the equation, Na + H2 O → NaOH + H2 is balanced. What is the coefficient for 'Na'
108) The chemical reaction in which heat is absorbed is called
A) Oxidation reaction
B) Exothermic reaction
C) Endothermic reaction
D) Reduction reaction
109) Which of the following is not an inert gas element
110) How many s-block and p-block elements are there in the second period of the modern periodic table
A) 2, 8
B) 8, 2
C) 2, 6
D) 4, 8
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