31 August 2013

Chemistry Mcqs XII [300 MCQS All Chapters] Online Test 12

XII Chemistry Online Mcqs - All Chapters - Online Mcqs Test - 1

Chemistry Online Mcqs Test for class 12, Second Year, According to Karachi Board 300 Online Multiple Choice Questions
Q1. The transition elements are located between
Q2. The color of transition element complexes is a result of
Q3. The metals and compounds of d block elements with unpaired electrons show a specific property called
Q4. Manganese belongs to group VIIB of the periodic table. The maximum oxidation state shown by manganese will be
Q5. Which of the following is the important Sulphide ore of Copper?
Q6. In the Bessemerization stage of copper metallurgy, copper metal is obtained which is pure
Q7. Blister copper is
Q8. When copper is heated in air, both are formed
Q9. An alloy of copper which contains 80% Cu and 20% Sn is called
Q10. For making of glass mirrors, one of the main solutions used is that of
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