Question Text
Question 1 : <p class="MsoNormal">Temporary hardness can be removed by mixing water with slaked lime, this process is known as softening of water.</p>
Question 8 :
A body centric cubic lattice is made up of two different types of atoms A and B. Atom A occupies the body centre and B occupying the corner positions. One of the corners is left unoccupied per unit cell. Empirical formula of such a solid is
Question 11 :
Consider the following statements : A hydrocarbon of molecular formula $C_{5}H_{10}$ is a:<br>I. monosubstituted alkene<br>II. disubstituted alkene<br>III. trisubstituted alkene
Question 14 :
The law used by Newlands to arrange elements is known as Newlands Law of Octave .<br/>
Question 18 :
At which side of the periodic table largest atomic size elements lie?
Question 19 :
Which one is more ionic compound : $ RbCl$ or $BrCl$ ?
Question 20 :
Due to its semiconductor properties, the element used in computers, TV, etc. is :
Question 21 :
Assume that the nucleus of the fluorine atom is a sphere with a radius of $5\times10^{-13}cm$. The density of the fluorine nucleus is: 
Question 22 :
Assertion: Metallic character is highest at the extremely left side of the periodic table.
Reason: Ionization enthalpy increases across a period.
