A) nitrogen |
B) carbon dioxide |
C) oxygen |
D) hydrogen |
A) nitrogen |
1). The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is
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2). The iron ore magnetite consists of
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3). The high reactivity of fluorine is due to
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4). The inexpensive and commonly used variety of glass is called soda glass. It is called so because
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5). The mass number of a nucleus is
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6). The National Song of India was composed by
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7). The last Mahakumbh of the 20th century was held at
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8). The dance encouraged and performance from the temple of Tanjore was
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9). The head quarters of Sahitya Akademi is at
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10). Kathak is a classical dance of
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