Correct answer
D. Phosphoric acid on kieselguhr
Explanation
The correct answer is Phosphoric acid on kieselguhr.
The product obtained on mixing calcium oxide with water is called ________?
Good quality kerosene should have________?
Half life of a radioactive isotope corresponds to the time required for half of the ________ to decay?
The range of electromagnetic spectrum important in heat transfer by radiation is ________ microns?
Cast iron has very high________?
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