Question 1 :
The process of protecting iron by coating with zinc is called:
Question 2 :
Assertion: Ionic compounds are bad conductors of electricity.
Reason: In ionic compounds mobile ions exists.
Question 4 :
The bonds present in $\left( { N }_{ 2 }{ O }_{ 5 } \right) $ are:<br/>
Question 8 :
On the basis of following features identify the correct option:<br/>I. This metal is not obtained in free state.<br/>II. This metal is obtained by electrolysis of their chlorides in molten state.
Question 13 :
Most of the metals which occurs in native state in nature:
Question 14 :
During the formation of sodium chloride, sodium transfers one electron to chlorine to attain the configuration of which noble gas?
Question 18 :
Which among the following metals is employed to provide cathodic protection to iron?
Question 20 :
A solid compound "A" consists of simple ions.<br/>Nature of the bond present in A will be:
Question 21 :
Which one of them is more ionic $LiCl$ or $NaCl$ ?
Question 23 :
Galvanisation is a method of protecting iron from rusting, by coating with a thin layer of:<br/>
Question 25 :
During the formation of ionic bond ________transfer takes place from one atom to the others.
Question 27 :
In CaF$_2$, the number of electron(s) transferred from calcium to fluorine atoms are_____.
Question 29 :
We have $CuSO_4$ solutions (blue) in two beakers A and B. In beaker A we add Ag pieces and in B we add Zn pieces. What will happen in A if :<br/>1. $Cu^{2+}$ is reduced to Cu<br/>2. no reaction.
Question 30 :
When an element of very low ionization potential reacts with an element of very high electron affinity, then :
Question 33 :
Read the following statements and answer as true or false.<br/>Metals occur in nature only as free elements.<br/>
Question 36 :
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 38 :
A magnesium ion has a net positive charge while the magnesium atom has __________. 
Question 39 :
Process of depositing a thin layer of zinc metal on iron objects is called:
Question 41 :
State whether true or false :<br/><br/>All the elements having one electron in their outermost shell are metals.
Question 43 :
Which of the following is a correct property for solid magnesium carbonate?
Question 45 :
Assertion: Zinc is used in the galvanization of iron.
Reason: Its coating on iron articles increases their life by protecting them from rusting.
Question 49 :
During extraction of metals, electrolytic refining is used to obtain pure metals. Material which will be used as anode, for refining of silver metal by this process, is:<br/>