oxides and non-metal
fill in the blanks:
21. Metal react with oxygen to produce
react with oxygen to produce oxides.
Q2. The presence of and
are necessary for iron to rust.
Q 3. is used for making X-ray shields.
Q4.
non-metals is used in fluorescent bulbs to display
advertisements.
element is used for making pencil lead.
Q6. and are lustrous non-metals.
Q7. is the only non-metals that exist as liquid at room
temperature.
Q 8. The property of metals by which it can be beaten into sheets is
called
Q 5.
moto1on but it if
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Answer:
21. meatal react with oxygen to produce metal oxide.
2. water and oxygen
3. lead
6. Iodine
7. bromine
8. malleability
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