Which wold tell you for sure if you had a sample of real gold

2 answers:

5 0

To perform this test to check if gold is real, make a light, tiny scratch on the item using a small nail file. Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.

Nesterboy [21]2 years ago

3 0

Answer:

Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.

Explanation:

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Answer:

200 g of cheese

Explanation:

From the table attached, we can see that each 100 g of cheese contain 22.5 g of protein. For us to calculate the amount of cheese needed to provide about 45 g of protein, we use the formula:

Amount of cheese for 45 g of protein = (100 g of cheese/ 22.5 g of protein) * 45 g of protein

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Which wold tell you for sure if you had a sample of real gold​

Which wold tell you for sure if you had a sample of real gold