Contents

Average atomic mass of Cl is :
a) 35 amu                                            
b) 37 amu

c) 35.50 amu                                       
d) 37.50 amu

c

Chemical Formula

Explanation:A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometime  also other symbols, such as parentheses, dashes, brackets, commas and plus and minus signs.


The chemical formula tells us………..
a) types of atoms 
b) ratio of different atoms
c) a & b both                                        

d) none of these

c

Chemical formula of Sodium Nitrate is……...
a) NaNo3                                               

b) NaNO2
c) Na2CO3                                              

d) none of these

a

Ammonia has ……empirical and molecular formulas.
a) different                                            

b) same
c) a & b both                                        

d) none of these

b

C6H12Ois chemical formula of…………
a) starch                                                

b) glucose
c) carbohydrates                  

d) none of these

b