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Q. Alloy steel containing chromium to resist rusting is known as
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Q. Which of the following pigments causes the red colour in onions?
Q. In photography, the compound of nitrogen used is
Q. The residue left after extracting juice from sugarbeet & sugarcane is called
Q. In 35CI34 and 37CI17 which of the following is false ?
Q. Chemical composition of heavy water is:
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