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Oxide of which of the following will turn red litmus blue? Options: 1) Magnesium 2) Phosphorus 3) Sulphur 4) Carbon

Posted by bhavishya kumar at 27 Sep 17 10:34:57am Views: 1969

Correct Answer: Magnesium the red litmus paper is mixed with an acid to turn it red. When red litmus comes into contact with a base, it returns to its original blue shade same as magnesium come in oxide so red litmus is blue becz it's base. Examples of common basic substances include sodium bicarbonate--or baking soda--human blood, milk of magnesia, ammonia, lime and lye. 


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