Question

FILL IN THE BLANKS

1. The non - metal used in fire crackers .

2. The burning if charcoal produces gas.

3. Rust is the oxide of .

4. The property of non metals used in making handles for cooking vessels is .

5.The metal present in heamoglobin is .

6. Name any two metalloids . and .

Answer 1

1. The non - metal used in fire crackers → sulphur and phosphorous

2. The burning of charcoal produces gas → CO₂, CO , H₂, CH₄ etc.

3. Rust is the oxide of → Iron

4. The property of non metals used in making handles for cooking vessels is - bad conductor of heat

5.The metal present in hemoglobin is - Iron

6. Name any two metalloids - Arsenic and antimony