9th Class Chemistry English Medium Online Test For Full Book With Answers

9th Class Chemistry English Medium Online Test For Full Book

Sr. # Questions Answers Choice
1 What is the colour of hydrogen iodide in product? Purple Yellow Blue Colorless
2 Such reaction which can be made proceed in either direction depending upon the condition: simple reaction reversible reaction irreversible reaction chain reaction
3 The lives of aquatic plants and animals are indirectly related to concentration of dissolved ------ in water: hydrogen oxygen chlorine nitrogen
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