Study the given flow chart carefully and answer the question.
Which group lists the items that can replace R in the flow chart?
P Q R
AIce cube Oxygen Cold Drink
BOxygen Hydrogen Water Vapour
CCoca cola Milk Vinegar
DWater Vapour Oxygen Milk
How can the answer be option B? Gases do not have definite shape or volume. Therefore P cannot be oxygen and Q cannot be Hydrogen. Pls clarify
Ans 1:
Class : Class 3
The group listing items that can replace R is Option B. The marking P Q R above the options is an error which we regret and will correct as soon as possible. Thanks for bringing it to our notice.
Ans 2:
Class : Class 5
The question is which can replace R. according to the flow chart /r doesn't have definite shape nor volume. So it should be a gas or vapour. the option B has all the items in the form of gas, oxygen, hydrogen and watervapour and is the right answer.