Recent questions tagged class-10

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Reema took 5ml of Lead Nitrate solution in a beaker and added approximately 4ml of Potassium Iodide solution to it. What would she observe?

asked Oct 21, 2021 in Science by priya (19.0k points)

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Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?

asked Oct 20, 2021 in Science by Haren (305k points)

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If the power of a lens is - 4.0 D, then it means that the lens is

asked Oct 20, 2021 in Science by Haren (305k points)

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Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?

asked Oct 20, 2021 in Science by Haren (305k points)

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What is common between extensive network of blood vessels around walls of alveoli and in glomerulus of nephron?

asked Oct 19, 2021 in Science by ruchikadas (105 points)

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if 8 is a root of the quadratic equation x2 - 10x + k = 0, then find the value of k

asked Oct 18, 2021 in Class X Maths by priya (19.0k points)

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if -2 is a root of the quadratic equation 3x2 + 5x + 2k = 0, then find the value of k

asked Oct 18, 2021 in Class X Maths by priya (19.0k points)

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Which of the following are parallel to x-axis?

asked Sep 1, 2021 in Maths by kabita (13.8k points)

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Using Euclid's division algorithm to find the HCF of 24 and 52

asked Aug 27, 2021 in Maths by Haren (305k points)

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Using Euclid's division algorithm to find the HCF of 210 and 55

asked Aug 27, 2021 in Maths by priya (19.0k points)

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Use Euclid’s division lemma to show that the cube of any positive integer is of the form 9m, 9m + 1 or 9m + 8.

asked Aug 19, 2021 in Maths by Haren (305k points)

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