2 years ago

Magnetic poles are called domains. True False

Chemistry

1 answer:

soldier1979 [14.2K]2 years ago

3 0

Answer:

false

Explanation:

the magnetic domains in the area around a magnet where the force acts.

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when carbon dioxide is bubbled through lime water the solution first turn milky and to colour less . Explain why these changes o

Annette [7]

Answer:

When excess of carbon dioxide is passed in lime water, calcium carbonate is converted to calcium bicarbonate which is soluble, hence the milkiness due to calcium carbonate disappears.

Explanation:

Ca(OH)2+CO2 → CaCO3 (Milkiness) ↓+H2O

CaCO3+H2O+CO2 → Ca(HCO3)2 (soluble)

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2 years ago

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Greeley [361]

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12.

Veronika [31]

Answer:

Nonbonding pairs of electrons.

Explanation:

Both oxygen atoms in the diatomic molecule have two nonbonding pairs. This results in the oxygen molecule having a planar geometric shape. This is because nonbonding pairs repel each other are significant in determining the shape of a molecule.