page of the answer sheet.
निम्नलिखित प्रश्नों में से किसी एक प्रश्न का उत्तर लगभग 40 से 60 शब
Answer any one of the following questions in about 40 to 60 w
(a) तत्व A और B के परमाणु क्रमांक क्रमशः 12 और 8 हैं। ये संयुक
और आबंध की प्रवृत्ति लिखिए।
The atomic numbers of elements A and B are 12 and 8 res
Write down the formula and nature of bonding in the co
(b) किन्हीं दो धुनिक तकनीकों का नाम लिखिए व उन दोनों के
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Answer:
A is magnesium
B is oxygen
Reaction:
2Mg + O2 ----------------> 2MgO
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