XII Chemistry Online Mcqs - All Chapters - Online Mcqs Test - 13
Chemistry Online Mcqs Test for class 12, Second Year, According to Karachi Board 300 Online Multiple Choice Questions
Q2. Gold dissolves in Aqua regia forming
Q3. The black image on an exposed and developed photographic film is composed of
Q4. Hypo is the technical name of
Q5. When potassium dichromate is heated with concentrated sulphuric acid, olive green coloured salt is produced which is a double salt known as
Q6. Potassium permanganate when dissolved in water gives a solution which has color
Q7. Potassium permanganate acts as
Q8. One of the products of a reaction between solid KMnO4 and cone. HCI
Q10. The slow and continuous eating away of any metal by the action of environment is called
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