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Arsenous oxide
Feldspar
Potassium carbonate
Soda ash
Which of the following is used to increase the anti-knocking property of petrol ?
Which of the following is used to make light weight, but strong plastic ?
Which of the following is usually not an air-pollutant?
Which of the following leads to artificial rainfall?
Which of the following metals can displace copper from copper sulphate solution ?
Which of the following metals is commonly used to increase the strength of steel alloys?
Which of the following metals is not a pollutant ?
Which of the following of the process is known as nitrification
Which of the following of these acids is not organic in origin
Which of the following one of the following acids is used in battery -