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Identify the odd one out and justify. (a) Chloride, nitrate, hydride, ammonium

asked Apr 13, 2022 in Chapter 5 Acids, Bases and Salts by Doubtly (98.9k points)

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What is hybridization of Al in AlCl3?

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Why is e-waste harmful? Express your opinion about this.

asked Apr 14, 2022 in Chapter 9 Environmental Management by Doubtly (98.9k points)

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Complete the statements using the given options and justify those statements.

asked Apr 14, 2022 in Chapter 9 Environmental Management by Doubtly (98.9k points)

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Distinguish between monocots and dicots.

asked Apr 13, 2022 in Chapter 6 Classification of Plants by Doubtly (98.9k points)

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1 answer 383 views

Two drops of the indicator phenolphthalein were added to 10ml solution of sodium hydroxide.

asked Apr 13, 2022 in Chapter 5 Acids, Bases and Salts by Doubtly (98.9k points)

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Identify the odd word and explain why it is odd. a.Xylem, phloem, permanent tissue, meristematic tissue.

asked Apr 14, 2022 in Chapter 17 Introduction to Biotechnology by Doubtly (98.9k points)

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What is mean by chromosome? Explain its types.

asked Apr 14, 2022 in Chapter 16 Heredity and Variation by Doubtly (98.9k points)

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Write the harmful effects Radioactive substances

asked Apr 14, 2022 in Chapter 14 Substances in Common Use by Doubtly (98.9k points)

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1 answer 793 views

Match the pairs. ‘A’ group ‘B’ group 1. Rhizobium a. Food poisoning 2. Clostridium b. Nitrogen fixation

asked Apr 14, 2022 in Chapter 8 Useful and Harmful Microbes by Doubtly (98.9k points)

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write notes on Monsoon model.

asked Apr 14, 2022 in Chapter 9 Environmental Management by Doubtly (98.9k points)

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1 answer 536 views

Why does obtaining the image of the sun on a paper with the help of a concave mirror burn the paper?

asked Apr 14, 2022 in Chapter 11 Reflection of Light by Doubtly (98.9k points)

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Is it right to avoid living with a person suffering from a genetic disorder?

asked Apr 14, 2022 in Chapter 16 Heredity and Variation by Doubtly (98.9k points)

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Hydrogen gas is filled in two identical bottles, A and B at the same temperature. The mass of hydrogen in

asked Apr 14, 2022 in Chapter 12 Study of Sound by Doubtly (98.9k points)

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Name a molecule having banana bond.

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

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Explain the differences Weather and climate

asked Apr 14, 2022 in Chapter 9 Environmental Management by Doubtly (98.9k points)

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A slit of width 2μm is illuminated by light of wavelength 6500A0.Calculate the angle at which the first minimum will

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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A Rolling stone Gathers no Moss.

asked Apr 9, 2022 in Expansion of Idea by Doubtly (98.9k points)

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1 answer 327 views

write notes on Human brain

asked Apr 14, 2022 in Chapter 15 Life Processes in Living Organisms by Doubtly (98.9k points)

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Classify the acids according to their basicity and give one example of each type.

asked Apr 13, 2022 in Chapter 5 Acids, Bases and Salts by Doubtly (98.9k points)

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