Question Text
Question 2 :
Give the formulae of the compounds formed from carbon and chlorine.
Question 6 :
Compute the ratio by mass of the combining elements for Aluminium Fluoride.
Question 7 :
What is the SI prefix for $10^{-1}$ multiples and submultiples of a unit?
Question 8 :
Which has more number of atoms, 100 g of sodium or 100 g of iron?
Question 12 :
What is the fraction of the mass of water due to neutrons?
Question 15 :
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 21 :
When 3.0 g of carbon is burnt in 8.0 g of oxygen, 11.00 g of carbon dioxide is produced. What mass of carbon dioxide will be formed when 3.00 g of carbon is burnt in 50.0 g of oxygen?
Question 25 :
Compute the ratio by mass of the combining elements for Ammonia.
Question 33 :
Which of the following correctly represents 360 g of water? (i) 2 moles of $H_2O$ (ii) 20 moles of water (iii) $6.022\times 10^{23}$ molecules of water (iv) $1.2044\times 10^{25}$ molecules of water
Question 36 :
Give the formulae of the compounds formed from carbon and oxygen.