Bauxite is used as raw material by which industry
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The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?
Which of the following is a chemical formula of quicklime?
Which of the following is an ore of Aluminium?
Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?
Atomic bomb is based on which of the following principle?
Which of the following induces souring of milk?
Which of the following gas was released during Bhopal gas tragedy?
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