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Chemistry

Chemistry
The trans-uranium elements are the chemical elements with atomic numbers greater than

86
92
89
96

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Chemistry
Entropy of Universe is always

Constant
Zero
Decreasing
Increasing

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Chemistry
Mark the compound which possess ionic, covalent and coordinate bonds.

SO3
SO2
H2O
NH4Cl

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Chemistry
The wire of flash bulbs is made up of

Cu
Mg
Ba
Ag

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Chemistry
Burning pyrites ore gives out

Nitrogen dioxide gas
Carbon dioxide gas
Sulphur dioxide gas
Nitric oxide gas

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Chemistry
Atoms having the same number of protons but different number of neutrons are called :

Cations
Anions
Isotopes
Higgs-boson

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