EASY
10th CBSE
IMPORTANT
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An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

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Important Questions on Metals and Non-metals

EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 4
Food cans are coated with tin and not with zinc because
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 5
Which of the following metals will not react with oxygen, even when heated very strongly in air?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 6
Electrometallurgical process is employed to extract?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 7
Which of the following elements occurs free in nature?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 8
What is not true about calcination?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 9
What is not true about roasting?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 10
Which of the following non-metals is liquid at room temperature? 
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 11
A non-metallic oxide which is neutral in nature is