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Chemistry |
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361)Number of electrons in the formation of bond of nitrogen molecule is- | |||
8 | 6 | ||
4 | 2 | ||
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362)Covelent bond is formed by - | |||
sharing electrons | gaining electrons | ||
losing electrons | exchanging electrons | ||
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363)Which one of the following is the donor atom in NH4Cl ? | |||
H | Cl | ||
N | It does not contained coordinate bond | ||
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364)Coordinate bond found in - | |||
NH3 | NaCl | ||
SO2 | H2O | ||
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365)The bond present in H2SO4 - | |||
covelent bond | ionic bond | ||
ionic and covelent bond | ionic, covelent and coordinate bond | ||
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366)Bond present in KCl - | |||
covelent bond | electrovalent bond | ||
coordinate bond | ionic bond | ||
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367)Molten NaCl can conduct electricity as it has | |||
atom of sodium and chlorine | free electrons | ||
free ions | free protons | ||
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368)The law followed in 2CO + O2 → 2CO is- | |||
Gay Lussac's law of gaseous volume | Law of multiple proportions | ||
Law of reciprocal proportion | Law of definite proportion | ||
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369)Which of the following is present in the crystal of ice? | |||
Metallic bond | Hydrogen bond | ||
Ionic bond | Covalent bond | ||
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370)Find the electronic configuration of inert gas. | |||
2, 7 | 2, 8, 3 | ||
2, 8 | 2, 6 | ||
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371)Spot the pair that follows the law of multiple proportion? | |||
KOH and NaOH | NaCl and KCl | ||
H2O and H2S | CO and CO2 | ||
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372)The standard of atomic weight is | |||
Nitrogen - 14 | Hydrogen - 1 | ||
Carbon - 12 | Oxygen - 16 | ||
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373)Victor Meyer's method is applicable to determint the molecular weight of - | |||
Non volatile substances | Electrolyte | ||
Volatile substances | All of these | ||
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374)In nuclear reactor the speed of neutron is slowed down by - | |||
soft water | heavy water | ||
hard water | zinc rod | ||
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375)What is the molecular weight of a gas whose vapour density is 14? | |||
7 | 14 | ||
28 | 56 | ||
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