Subject :NSO Class : Class 4
Study the given flow chart based on states of matter. Which of the following is correct regarding this?
| P | Q | R | |
| A | Water vapour | Milk | Pen |
| B | Ketchup | Steam | Rubber ball |
| C | Steam | Ketchup | Orange juice |
| D | Cold drink | Vinegar | Eraser |
And=A