Recent questions in Science

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What is the probability of a girl or a boy being born in a family?

asked Nov 7, 2023 in Science by kabita (3.8k points)

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A reddish-brown metal ‘X’, when heated in air, gives a black compound ‘Y’, which when heated in presence of H₂ gas gives ‘X’ back.

asked Nov 7, 2023 in Science by kabita (3.8k points)

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An element ‘M’ with electronic configuration 2 8 3 combines separately with Cl- , SO4-2 anions. Write the chemical formulae of the compounds formed.

asked Nov 7, 2023 in Science by kabita (3.8k points)

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এছিড এটাৰ জলীয় দ্ৰৱই কিয় বিদ্যুৎ পৰিবহণ কৰে?

asked Jul 13, 2023 in Science by kabita (3.8k points)

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দৈ আৰু টেঙা খাদ্যবস্তু পিতলৰ আৰু তামৰ পাত্ৰত থোৱা নহয় কিয়?

asked Jul 13, 2023 in Science by kabita (3.8k points)

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টর্চ এটা জুলাই টৰ্চৰ মুখখন হাতেৰে ঢাকি ৰাখিলে হাতখন ৰঙা দেখি কিয়?

asked Jul 12, 2023 in Science by priya (1.9k points)

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What is the probability of a girl or a boy being born in a family? Justify your answer

asked Apr 25, 2023 in Science by priya (1.9k points)

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Chlorine gas was prepared using electrolysis of brine solution. Write the chemical equation to represent the change.

asked Apr 25, 2023 in Science by priya (1.9k points)

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Given below are certain situations. Analyze and describe its possible impact on a person: (a) Testes of a male boy are not able to descend into scrotum during his embryonic development.

asked Apr 25, 2023 in Science by priya (1.9k points)

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Suresh‟s parents have attached earl obes. What type of ear lobe can be seen in Suresh and his sister Siya?

asked Apr 25, 2023 in Science by priya (1.9k points)

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Which of the following features relates to biodegradable substances ?

asked Apr 25, 2023 in Science by priya (1.9k points)

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In 1987, an agreement was formulated by the United Nations Environment Programme (UNEP) to freeze the production of “X” to prevent depletion of “Y”. “X” and “Y” respectively referred here are

asked Apr 25, 2023 in Science by priya (1.9k points)

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When light enters the atmosphere it strikes on extremely fine particles, which deflect the rays of light in all possible directions, This is due to

asked Apr 25, 2023 in Science by priya (1.9k points)

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An object is placed in front of a convex mirror. Its image is formed

asked Apr 25, 2023 in Science by priya (1.9k points)

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A sportsman, after a long break of his routine exercise, suffered muscular cramps during a heavy exercise session. This happened due to

asked Apr 25, 2023 in Science by priya (1.9k points)

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Height of a plant is regulated by

asked Apr 25, 2023 in Science by priya (1.9k points)

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A farmer wants to grow banana plants genetically similar enough to the plants already available in his field. Which one of the following methods would you suggest for this purpose ?

asked Apr 25, 2023 in Science by kabita (3.8k points)

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Receptors are usually located in sense organs. Gustatory receptors are present in

asked Apr 25, 2023 in Science by kabita (3.8k points)

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Generally food is broken and absorbed within the body of organisms. In which of the following organisms is it done outside the body ?

asked Apr 25, 2023 in Science by kabita (3.8k points)

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An element 'M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of 'M' is

asked Apr 25, 2023 in Science by kabita (3.8k points)

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