Choose the INCORRECT Statement

question 54

Multiple Choice

Choose the INCORRECT statement.

• A)Hydrogen occurs in more compounds than any other element.
• B)The "water gas" reactions produce combustible gases (CO and H₂)from steam and C(s).
• C)Metallic hydrides are always in fixed ratios of hydrogen to other elements.
• D)Binary compounds of hydrogen are called hydrides.
• E)Hydrogenation reactions are hydrogen added to double or triple bonds in presence of a catalyst.

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Definitions:

Change Over Time

The concept of transformation or variation in conditions, characteristics, or perceptions across different periods.

Phlegmatic

Describes a personality type characterized by calm, unemotional, and relaxed traits.

Choleric

One of the four temperament types, characterized by a quick, intense, and easily provoked nature.

Melancholic

Describes a type of depression characterized by a profound feeling of sadness or despair that is deeper than typical sadness.