Question

1. The presence of ----------- and --------------------- is necessary for iron to rust.
2. ------------------- is used for making x-ray shields.
3.------------------------ non-metals is used in fluorescent bulbs to display advertisements.

Answer 1

Hey friend,

Hey friend, Here's your answer :

1. The presence of Air and Water is necessary for iron to rust.

2. Lead is used for making x-ray shields.

3. Neon non-metals is used in fluorescent bulbs to display advertisements.

Hope this helps.

Please mark me as brainliest .

Answer 2

1. Water,oxygen
2. Traditional lead(PB)
3. Neon