Which of the following acids is used to remove rust from metals?

A. Formic acid
B. Acetic acid
C. Hydrochloric acid
D. Phosphoric acid

Answer: Phosphoric acid

Additional Information: Phosphoric acid is commonly used to remove rust from metals by converting iron oxide to a soluble compound.

Related MCQs

Which reaction type involves the formation of a cyclic anhydride?
Which reagent is commonly used to convert aldehydes into carboxylic acids?
What is the IUPAC name for acetone?
Which of the following reactions is an example of a nucleophilic addition reaction?
Which compound is formed when a carboxylic acid undergoes decarboxylation?
Which compound is produced from the hydrolysis of an ester?
Which of the following compounds is a non-aromatic ketone?
Which reaction converts a carboxylic acid to an ester?
What is the primary product of the oxidation of an alcohol?
What type of compound is formed when two aldehydes react?
What is the main product when acetaldehyde undergoes aldol condensation?
Which of the following is the product of the reaction between an aldehyde and a Grignard reagent?
Which of the following is a property of ketones?
Which of the following is a feature of aldehydes?
Which of the following is a characteristic reaction of aldehydes?

Search for: