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Which of the following materials are used for preparing
blur-black ink?

1 Gallic acid

2 Tannic acid

3 Ferrous sulphate

4 All of these

Answers were Sorted based on User's Feedback



Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tanni..

Answer / guest

(4) All of these

Is This Answer Correct ?    2 Yes 0 No

Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tanni..

Answer / anand raj

1 gallic acid

Is This Answer Correct ?    1 Yes 1 No

Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tanni..

Answer / raj thakre

tannic acid

Is This Answer Correct ?    0 Yes 1 No

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