Q26 of 32 Page 20

A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.

Iron is a metal but the tablet is not made up of iron metal whereas the tablet is made up of a salt of iron. So, the appearance of the tablet is not similar to that of iron.


More from this chapter

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24

If in Fig 4.1 iron nails is replaced by wooden stick, will the bulb glow or not? Justify your answer.

 25

Paheli prepared a blue coloured solution of copper suplhate in beaker a and placed an iron in it. Boojho prepared a yellowish green solution of ferrous sulphate in beaker B and placed a copper wire in it. What changes will they observe in the two beakers after an hour?

 27

Match the substances in COLUMN A with their applications given in COLUMN B.

 28

Some of the following statements are incorrect. Find the incorrect statements and correct them.

(a) The property of metals by virtue of which they can be drawn into wires is called ductility.


(b) Metals are good conductor of electricity but poor conductor of heat.


(c) Articles made of metals produce ringing sound when struck hard.


(d) Oxides of non-metals and metals are acidic in nature.


(e) A less reactive metal replaces a more reactive metal from its salt solution in water.