1) Assertion: When magnesium ribbon is heated in a Bunsen flame, it burns with a yellow flame.
Reason: It forms a White powder called Magnesium oxide and it is a chemical change
2) Assertion: Antacids are recommended when a person is suffering from indigestion.
Reason: It is assumed that indigestion is caused due to rise of pH of stomach.
Directions and 3) and 4) are attached in the picture :)
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1) A is False R is true
2) A and R are true r is correct explanation.
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