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Rama Nand
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Rama Nand
Asked: December 10, 2021In: Class 10 Science

What you can infer from the given chemical reaction: Hydrochloric acid + Sodium hydroxide → Sodium chloride + Water

Sodium hydroxide (a strong base) reacts with hydrochloric acid to form sodium chloride and water. NaOH(aq) +HCl(aq)NaCl(aq) +H2O(l) Since, in the reaction between an acid and a base both neutralize each other, it is known as neutralization reaction.

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Rama Nand
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Rama Nand
Asked: December 10, 2021In: Class 10 Science

In your laboratory you trace the path of light rays through a glass slab for different values of angle of incidence (Zi) and in each case measure the values of the corresponding angle of refraction (Zr) and angle of emergence (Ze). On the basis of your observation your correct conclusion is:

When a ray of light passes through the glass slab, then the angle of incident is found to be nearly equal to angle of emergence and greater than angle of refraction.

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Rama Nand
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Rama Nand
Asked: December 10, 2021In: Class 10 Science

On the basis of the above reaction, what can you say about the nature of compound “P”?

Class 10th Science Session 2022-23 Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions

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Rama Nand
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Rama Nand
Asked: December 10, 2021In: Class 10 Science

Which of the following could be the possible observation?

Copper oxide is black in colour. When dilute hydrochloric acid is added in it, the colour of the solution becomes blue green due to formation of copper chloride.

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Rama Nand
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Rama Nand
Asked: November 30, 2021In: Class 9 Science

What is the displacement of the body in first 8 second of the motion?

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Rama Nand
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Rama Nand
Asked: November 30, 2021In: Class 9 Science

Calculate the acceleration of the body from C to D.

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Rama Nand
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Rama Nand
Asked: November 29, 2021In: Class 9 Science

A student is able to move a block of mass 2 kg with minimum force of 1 N. The force of friction between the object and the surface will be

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Rama Nand
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Rama Nand
Asked: November 29, 2021In: Class 9 Science

A truck moving with a speed of 54 km/h. Truck driver applied brakes suddenly and brings the truck to rest in 5 s, then the average retarding force on truck, if mass of the truck and driver is 400 kg, will be:

Given, u = 54 km/h = 54 x 5/18 m/s = 15 m/s V = 0 and t = 5 s. Retardation, a = v – u/t = 0 – 15/5 = – 3 m/s ² Avg retardation force, ...

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