Q.6. Which of these mineral can be found in milk teeth and lime stones ?
(a)Potassium
(b)Magnesium
(c)Sodium
(d)Calcium
Q.7. Which prime minister of India was born in the year India became a republic ?
(a)Rajiv Gandhi
(b)Manmohan Singh
(c)NarendraModi
(d) None of these
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Answer:
6)Calcium
7)None of these
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