Q3 of 11 Page 53

Fill in the blanks:

(a) Phosphorus is a very_______ non-metal.


(b) Metals are _______ conductors of heat and ________.


(c) Iron is _______ reactive than copper.


(d) Metals react with acids to produce ________ gas.

(a) Phosphorus is a very reactive non-metal.

(b) Metals are good conductors of heat and electricity.


(c) Iron is more reactive than copper.


(d) Metals react to acids to produce hydrogen gas.


More from this chapter

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1

Which of the following can be beaten into thin sheets?

(a) Zinc


(b) Phosphorus


(c) Sulphur


(d) Oxygen

 2

Which of the following statements is correct?

(a) All metals are ductile.


(b) All non-metals are ductile.


(c) Generally, metals are ductile.


(d) Some non-metals are ductile.

 4

Mark 'T' if the statement is true and 'F' if it is false.

(a) Generally, non-metals react with acids. ( )


(b) Sodium is a very reactive metal. ( )


(c) Copper displaces zinc from zinc sulphate solution. ( )


(d) Coal can be drawn into wires. ( )

 5

Some properties are listed in the following Table. Distinguish between metals and non-metals on the basis of these properties.