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What colour does gold turn when in contact with acid?

Anonymous

∙ 7y ago

Updated: 6/6/2024

Being inert and unreactive, pure gold does not react with any acid except aqua regia. Thus its colour does not alter.

Wiki User

∙ 7y ago

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More answers

When gold comes into contact with acid, it remains unchanged. Gold is a noble metal, which means it is resistant to corrosion and does not react with acids.

AnswerBot

∙ 9mo ago

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Continue Learning about Chemistry

What colour will the litmus paper turn when acid is poured on it?

The litmus paper will turn red when it comes in contact with an acid.

What color does gold turn when in contact with acid?

I'll assume you are asking about test acid. The test acid in gold test kits is nitric acid diluted to various strengths for use on different karat gold varieties. Here are a few scenarios to answer your question.Let's say you have a 14K gold ring. If you drip 14K acid on it, nothing will happen. If you drip 18K acid (or stronger) on it, the spot where the acid contacted it will turn brown. On the other hand, if the acid bubbles green, the ring is not actually gold at all.

What colour does citric acid turn an universal indicator?

Citric acid is a weak acid, so it would turn a universal indicator to orange or red.

What colour does universal indicator turn in dilute hydrochloric acid?

Universal indicator will turn red or pink in dilute hydrochloric acid.

What colour does the acid turn the red litmus paper?

Acid can't turn red litmus paperbur base canturn it blue .

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Related Questions

What colour will the litmus paper turn when acid is poured on it?

The litmus paper will turn red when it comes in contact with an acid.

What colour does litmus turn with an acid?

red

What color does gold turn when in contact with acid?

I'll assume you are asking about test acid. The test acid in gold test kits is nitric acid diluted to various strengths for use on different karat gold varieties. Here are a few scenarios to answer your question.Let's say you have a 14K gold ring. If you drip 14K acid on it, nothing will happen. If you drip 18K acid (or stronger) on it, the spot where the acid contacted it will turn brown. On the other hand, if the acid bubbles green, the ring is not actually gold at all.

What colour does tea turn citric acid?

brown

What color does the acid turn when you add mentally orange?

No colour

What colour does citric acid turn an universal indicator?

Citric acid is a weak acid, so it would turn a universal indicator to orange or red.

What colour does universal indicator turn in dilute hydrochloric acid?

Universal indicator will turn red or pink in dilute hydrochloric acid.

When do go fish turn gold?

If you talk about gold fish colour then it is a common sense that it is naturally gold.

What color does metal turn litmus paper to?

In acid solution, blue colour of litmus is changed into red. In basic sol litmus change to blue.

What colour does blue litmus paper turn when dipped in hydrochloric acid?

Red!

What colour would an acid turn if mixed with water and universal indicator?

red

What colour does the acid turn the red litmus paper?

Acid can't turn red litmus paperbur base canturn it blue .

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