METALS AND NON METALS – FORMATIVE ASSESSMENT I MARKS-30 TIME- 70 MINUTES Instructions: Questions : 1 to 5 1 Mark each – Questions : 6 to 9 2 each – Questions : 10 to 13 3 Marks each – Question 14 5 Marks – metal other than mercury is liquid at room temperature? Why the item made of silver turns black when exposed to air? non metal is lustrous? – What is an amalgam?
METALS AND NON – METALS FORMATIVE ASSESSMENT I MARKS-30 TIME- 70 MINUTES Instructions: Questions : 1 to 5 – 1 Mark each Questions : 6 to 9 – 2 each Questions : 10 to 13 – 3 Marks each Question 14 – 5 Marks metal other than mercury is liquid at room temperature? Why the item made of silver turns black when exposed to air? non – metal is lustrous? What is an amalgam?
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