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Gypsum is commonly used for the reclamation of saline soils due to its ability to improve soil structure and reduce salinity
Which of the following is the major constituent of LPG?
Which one of the following contributes largely to the greenhouse effect?
The most abundant constituent of atmospheric air is
Black lung disease occurs in people working in
Of the following which one pollutes the air of abig city?
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called:
The most reactive among the halogens is
Which of the following is used to increase the antiknocking property of petrol?
Which of the following is an iron ore ?
The element used for making solar cells is
