1) Metals are good conductors of
2) Metals react with acids to produce
7
Metal and Non-metals
21. (A) Fill in the blanks.
and
gas.
reactive than copper.
3) Iron is
state
4) Under ordinary temperature metals are present in the
(5) A cheap variety of stainless steel is made using
B) State whether the following statements are true or false. Correct the false statements.
1) Generally, non-metals react with acids.
Ans.
Ans.
(2) Sodium is a very reactive metal.
(3) Coal can be drawn into wires.
Ans.
(4) All metals are found in solid state at room temperature.
Ans.
(5) A reddish coloured deposit is formed on iron by reaction with hydrogen gas. Ans.
(6) Lead is good conductor of heat.
7) Majority of the metals have upto three electrons in their outermost shell.
Ans.
Ans.
Write the correct statements.
Answers
Answer:
1) Metals are good conductors of
2) Metals react with acids to produce
7
Metal and Non-metals
21. (A) Fill in the blanks.
and
gas.
reactive than copper.
3) Iron is
state
4) Under ordinary temperature metals are present in the
(5) A cheap variety of stainless steel is made using
B) State whether the following statements are true or false. Correct the false statements.
1) Generally, non-metals react with acids.
Ans.
Ans.
(2) Sodium is a very reactive metal.
(3) Coal can be drawn into wires.
Ans.
(4) All metals are found in solid state at room temperature.
Ans.
(5) A reddish coloured deposit is formed on iron by reaction with hydrogen gas. Ans.
(6) Lead is good conductor of heat.
7) Majority of the metals have upto three electrons in their outermost shell.
Ans.
Ans.
Write the correct statements.
Answer:
1)electricity
2)hydrogen oxide
and I cannot understand whatever you are asking