Question 1 :
<strong>___________</strong> is the study of chemical reactions that take place in living things. It tries to explain them in chemical terms.<br/>
Question 3 :
How many moles are present in $6.023\times 10^{22}$ molecules of $CO_2$?<br>
Question 5 :
Branch of chemistry deals with structure of matter, the energy changes and theories, laws and principles that explain the transfer motion of matter for one form to another is known as :
Question 7 :
The main constituent of LPG is butane. Then<br>(A) Butane can be liquefied easily under high pressure<br>(B) Butane is liquefied by chemically reacting with ethane and propane.<br>
Question 9 :
Which one of the following laws directly explains the law of conservation of mass?<br/>
Question 10 :
In how many forms did the earlier Indian philosophers classify matter?
Question 11 :
A balanced chemical equation is in accordance with the law of conservation of masses___________.
Question 12 :
Which of the following is the correct unit for measuring nuclear radii?
Question 18 : <p>Who is given the credit for creation of first nuclear reactor.</p>
Question 21 :
If the ratio of the atoms by mass is altered then :
Question 24 :
Which gas law relates the volume of a gas to the number of molecules of the gas?<br/>
Question 26 :
Physical chemistry is the branch of chemistry which deals with the study of :<br/>
Question 27 :
The prefix used for denoting an order of magnitude of ${ 10 }^{ 6 }$ is:<br/>
Question 28 :
The number of molecules in 1 L of oxygen and 1 L of nitrogen at STP will be:
Question 29 :
Of the following, the field of organic chemistry is LEAST concerned with the study of________.
Question 30 :
Which of the following statements is the most accurate with regard to the significance of Avogadro's number, $6.02 \times 10^{23}$ ?
Question 37 :
Who proposed that equal volumes of gases at the same temperature and pressure have same number of molecules.
Question 40 :
Consider the following classification.<br/>Lotus, Rose, Tiger, Cactus<br/>Which of the following is not suitable in given classification. 
Question 45 :
Find the total number of pennies in a tenth of a mole of pennies.
Question 46 :
Consider the list of the things given below. <br/>salt, pepper, chilli, soap, turmeric <br/>How many of the following can be classified in the same group?
Question 47 :
According to the Avogadro's Law, equal volumes of two different gases, under same conditions of temperature and pressure, contain equal number of:<br/>
Question 50 :
The critical volume of a gas is 0.036 $lit. mol^{-1}$. The radius of the molecule will be (in cm):<br/>(Avogadro Number = $6 \times 10^{23}$)<br/>
