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
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Explain the role of Science for sustainable Development
0 Answers Mahatma Gandhi University,
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Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin
atoms are composed of Electrons & Protons or Electrons & Protons ?
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What are reflecting nebulae?
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