Question 3 :
The process of protecting iron by coating with zinc is called:

Question 4 :
Assertion: Ionic compounds are bad conductors of electricity. Reason: In ionic compounds mobile ions exists.

Question 6 :
A solid compound &#34;A&#34; consists of simple ions.<br/>Nature of the bond present in A will be:

Question 7 :
The second most abundant metal present in the crust of the earth is :

Question 8 :
Process of depositing a thin layer of zinc metal on iron objects is called:

Question 12 :
During the formation of ionic bond ________transfer takes place from one atom to the others.

Question 13 :
Which among the following metals is employed to provide cathodic protection to iron?

Question 14 :
Electrolysis is used in the extraction of metals from their ores.

Question 17 :
The bonds present in $\left( { N }_{ 2 }{ O }_{ 5 } \right) $ are:<br/>

Question 18 :
Which of the following metals exist in their native state in nature?<br/>(i) Ca<br/>(ii) Au<br/>(iii) Zn<br/>(iv) Ag<br/>

Question 19 :
Which one of the methods given in column- I is applied for the extraction of the metal given in column II:<br/><blockquote><table class="wysiwyg-table"> <tbody><tr> <td><b>Column -I</b></td> <td><b>Column - II</b></td> </tr> <tr> <td>(A)&#160;Electrolytic reduction</td> <td>(i)&#160;Aluminium</td> </tr> <tr> <td>(B) Reduction with carbon</td> <td>(ii)&#160;Zinc</td> </tr> <tr> <td>(C) Reduction with aluminium</td> <td>(iii)&#160;Sodium</td> </tr> <tr> <td>&#160;</td> <td>(iv)&#160;Iron</td> </tr> <tr> <td>&#160;</td> <td>(v)&#160;Manganese</td> </tr> <tr> <td>&#160;</td> <td>(vi)&#160;Chromium</td> </tr></tbody></table></blockquote>

Question 20 :
Most of the metals which occurs in native state in nature: