XII Chemistry Online Mcqs - All Chapters - Online Mcqs Test - 14
Chemistry Online Mcqs Test for class 12, Second Year, According to Karachi Board 300 Online Multiple Choice Questions
Q1. Metallic coating is also a method to prevent iron from rusting which of the following is not considered as a metallic coating
Q2. Aluminum resists the process of corrosion due to the formation of
Q3. Galvanizing is done by dipping clean iron sheet in a zinc chloride bath and
Q5. An alloy of iron which contains chromium 18%, nickel 8%, 0.18% carbon
Q6. Stainless steel contains Cr up to
Q7. The branch of chemistry which deals with the study of compounds containing carbon as an essential element is called
Q8. Which form of coal contains 92 - 98% carbon?
Q9. After heating at high temperature, coal is converted into
Q10. Kerosene oil is mixture of hydrocarbons having carbon atoms
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