Chemistry Questions

Q:

A solution that is at equilibrium must be

A) saturated B) concentrated
C) unsaturated D) dilute
 
Answer & Explanation Answer: A) saturated

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Q:

The common name of sodium tetraborate decahydrate is _____.

A) epsom salt B) gypsum
C) Borax D) galena
 
Answer & Explanation Answer: C) Borax

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Q:

Which molecule contains a polar covalent bond?

A) NBr3 B) C2H4
C) ZnS D) AgL
 
Answer & Explanation Answer: A) NBr3

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Q:

Which element is generally No Radioactive?

A) Thorium B) Polonium
C) Germanium D) Plutonium
 
Answer & Explanation Answer: C) Germanium

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Q:

Chromite is an ore/mineral of

A) Zinc B) Uranium
C) Chromium D) Titanium
 
Answer & Explanation Answer: C) Chromium

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Q:

Which of the following elements has the lowest melting point?

A) Oxygen B) Gold
C) Silver D) Manganese
 
Answer & Explanation Answer: A) Oxygen

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Q:

The reactions in which oxidation and reduction occur simultaneously are called _______.

A) Feral reactions B) Redox reactions
C) Demug reactions D) Kerol reactions
 
Answer & Explanation Answer: B) Redox reactions

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Q:

Which was not produced by volcanic outgassing?

A) Carbon dioxide B) Water vapor
C) Sulfur D) Oxygen
 
Answer & Explanation Answer: D) Oxygen

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