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Nursing Question Bank

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1265 available questions

Chemistry · Question 831

Sodium is extremely reactive but does not react with:

  1. Phosphorus
  2. Hydrogen
  3. Nitrogen
  4. Sulphur
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Correct answer: C

Nitrogen

Nitrogen is the answer marked in the supplied practice source.

Chemistry · Question 832

Which non-metal is lustrous?

  1. Sulphur
  2. Phosphorus
  3. Iodine
  4. Carbon
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Correct answer: C

Iodine

Iodine is the answer marked in the supplied practice source.

Chemistry · Question 833

Which is the lightest element?

  1. Sodium
  2. Lithium
  3. Calcium
  4. Magnesium
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Correct answer: B

Lithium

Lithium is the answer marked in the supplied practice source.

Chemistry · Question 834

What is the melting point of sodium metal?

  1. 200°C
  2. 100°C
  3. 97°C
  4. 110°C
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Correct answer: C

97°C

97°C is the answer marked in the supplied practice source.

Chemistry · Question 835

Metals react with oxygen to form:

  1. Acidic oxides
  2. Carbon mono oxides
  3. Amphoteric oxides
  4. Basic oxides
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Correct answer: D

Basic oxides

Basic oxides is the answer marked in the supplied practice source.

Chemistry · Question 836

Elements in group 2 of the periodic table are called:

  1. Alkali metals
  2. Transition metals
  3. Alkaline earth metals
  4. Halogens
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Correct answer: C

Alkaline earth metals

Alkaline earth metals is the answer marked in the supplied practice source.

Chemistry · Question 837

Which is the most precious metal?

  1. Gold
  2. Platinum
  3. Silver
  4. Iron
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Correct answer: B

Platinum

Platinum is the answer marked in the supplied practice source.

Chemistry · Question 838

Mercury exists in which state?

  1. Plasma
  2. Solid
  3. Gaseous
  4. Liquid
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Correct answer: D

Liquid

Liquid is the answer marked in the supplied practice source.

Chemistry · Question 839

Which metal is more malleable?

  1. Iron
  2. Sodium
  3. Gold
  4. Silver
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Correct answer: C

Gold

Gold is the answer marked in the supplied practice source.

Chemistry · Question 840

What is the percentage by weight of nitrogen in the atmosphere?

  1. 76
  2. 77
  3. 79
  4. 78
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Correct answer: D

78

78 is the answer marked in the supplied practice source.