Question

Deduce the molecular formula of the following compounds.

1. Potassium oxide
2. Zinc phosphate

Answer 1

for the first one K20

for the second one (Zn)3(PO4)2

Answer 2

Answer:

Study the following information carefully and answer given questions.

A word and number arrangement machine when given an input line of words and number rearranges them

following a particular rule in each step. The following is an illustration of input and rearrangement

Input : Post blank 42 57 29 our follow 35

Step 1:29 post blank 42 57 our follow 35

Step II : 29 post 35 blank 42 57 our follow

Step III : 29 post 35 our blank 42 57 follow

Step IV:29 post 35 our 42 blank 57 follow

Step V; 29 post 35 our 42 follow blank 57

Step VI : 29 post 35 our 42 follow 57 blank

and Step Vl is the last step.

As per the rules followed in the above steps, find out in each of the following questions the appropriate

step for the given input.

Step IV of an input is: 30 store 33 park 100 91 82 bring down.

How many more steps will be required to complete the rearrangement?