Question Text
Question 1 :
Solids whose constituents are arranged in a regular pattern are known as ______________.
Question 2 :
A substance 'P' does not have a fixed, volume. It occupies the total space of the container and it can be compressed. What is 'P' likely to be?
Question 5 :
The large volume of gas can be filled in a small cylinder owing to its high __________.
Question 7 :
On the basis of the given structures, identify the pair of molecules containing hydrogen bonding:
Question 8 :
A gas occupies a volume of $250$ ml at $745$ mm Hg and $25^{\circ}$C. What additional pressure is required to reduce the gas volume to $200$ ml at the same time?
Question 10 :
What volume of $NO_2$ gas at $27^oC$ and $1.0$ atm pressure would be produced?<br/>
Question 13 :
The force responsible for the union of two ice blocks into a single block is:
Question 16 :
Which of the hydrated species can exist?<br>$I: \space H_5O_2^+\quad II: \space H_3O^+ \quad III: \space H_3O_2^- \quad IV:\space H_7O_3^+$<br>Select alternate from:
Question 17 :
When $2$ g of gas A is introduced into an evacuated flask kept at $25^oC$, the pressure was found to be $1$ atm. If $3$ g of another gas B is then added to the same flask containing A, the pressure becomes $1.5$ atm. Assuming ideal behaviour, the ratio of molecular weights $(M_A:M_B)$ is :
Question 19 :
Ethanol has a higher boiling point than dimethyl ether though they have the same molecular weight. This is due to:
Question 20 :
London dispersion force is the only intermolecular force that works on what?
