Question

Fill in the blanks: Question 1. Metal react with oxygen to produce _________oxides and non-metal react with oxygen to produce_________oxides. Question 2. The presence of _________ and _________are necessary for iron to rust. Question 3. _________is used for making X-ray shields. Question 4. _________non-metals is used in fluorescent bulbs to display advertisements. Question 5. _________element is used for making pencil lead. Question 6. _________and _________are lustrous non-metals. Question 7. _________is the only non-metals that exist as liquid at room temperature. Question 8. The property of metals by which it can be beaten into sheets is called_________ Question 9. _________metal can be cut with knife. Question 10. _________non-metal is used for vulcanisation of rubber. Question 11. _________metal is used in processed food packaging. Question 12. Process of coating metals with zinc is called_________ Question 13. Elements that possess properties of both metals and non-metals are called_________ Question 14. _________is a pure chemical substance consisting of only one type of atoms. Question 15. Metal react with dilute acids to form_________ and_________​

Answer 1

Answer:

Explanation:

1.. Metal react with oxygen to produce metal oxides and non-metal react with oxygen to produce acidic oxides.

2.The presence of water and oxygen are necessary for iron to rust.

3.lead(Pb)

Answer 2

1. Basic, acidic
2. Air, water
3. Lead
4. Neon
5. Graphite
6. Graphite, iodine
7. Bromine
8. Malleability
9. Sodium
10. Sulphur
11. Nitrogen
12. Galvanization
13. Metalloid
14. Element
15. Salt, hydrogen gas