CBSE ADDA

CBSE/NCERT_Metals and Non Metal Questions answer class 8 Very short answer questions 1. What is malleability? Ans: Metal can be beaten into thin sheet. this properties oh metal is called malleability. Gold is the most malleable metal. 2. Name a metal exist in liquid state Ans: Mercury is a metal that exist in liquid state at room temperature. 3. Which metal is the best conductor of electricity? Ans: Silver 4. Name the metals ha highest melting pint. Ans: Tungsten 5. Name the lightest metal Ans: Lithium 6. Which is the only non metal that can conduct electricity? Ans: Graphite 7. Name the two non metals that are lustrous Ans : Graphite and iodine 8. What are allotropes? Ans: Two or more form of same element which differ in properties. Diamond and graphite are two allotropes of carbon Write true and false 1. Metals react with oxygen to form oxide: False Metals react with oxygen to form metallic oxide 2. Magnesium and aluminium react quickly