Purple of cassius is a colloidal solution of _______ in water.
1. indigo
2. gold
3. dye
4. oil

Choose the correct option.

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Solution

Purple of Cassius is a purple pigment formed by the reaction of gold salts with tin(II) chloride. It has been used to impart glass with a red coloration.

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Purple of cassius is a colloidal solution of _______ in water.1. indigo2. gold3. dye4. oilChoose the correct option.

Purple of Cassius is a purple pigment formed by the reaction of gold salts with tin(II) chloride. It has been used to impart glass with a red coloration.

Purple of cassius is a colloidal solution of _______ in water.
1. indigo
2. gold
3. dye
4. oil

Choose the correct option.