31 August 2013

Chemistry Mcqs XII [300 MCQS All Chapters] Online Test 10

XII Chemistry Online Mcqs - All Chapters - Online Mcqs Test - 10

Chemistry Online Mcqs Test for class 12, Second Year, According to Karachi Board 300 Online Multiple Choice Questions
Q1. The formula of oleum is
Q2. The king of the chemicals is
Q3. H2SO4 reacts with Mg metals and liberates
Q4. Which of the following is charred by conc. H2SO4?
Q5. H2S is a good
Q6. Which acid is prepared by contact process?
Q7. Which acid is used as dehydrating agent?
Q8. The sulphur trioxide obtained in contact process is used to manufacture sulphuric acid by dissolving in
Q9. The catalyst used to convert sulphur dioxide to sulphur trioxide is
Q10. The element having seven electrons in their valence shell are called
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