Question Text
Question 3 :
In photosynthesis, 6 molecules of carbon dioxide combine with an equal number of water molecules through a complex series of reactions to give a molecule of glucose having a molecular formula $C_6 H_{12} O_6$. How many grams of water would be required to produce 18 g of glucose?
Question 8 :
What is the element used by Rutherford during his $\alpha$ - scattering experiment?
Question 10 :
What is the SI prefix for $10^{-9}$ multiples and submultiples of a unit?
Question 12 :
What is the SI prefix for $10^{-2}$ multiples and submultiples of a unit?
Question 15 :
Which postulate of Dalton’s atomic theory can explain the law of definite proportions?
Question 16 :
If one mole of carbon atom weighs 12 g, what is the mass (in gram) of 1 atom of carbon?
Question 18 :
Compute the ratio by mass of the combining elements for Hydrogen chloride.