HSC Science (General) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions

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SI unit of mass is _________

What do you mean by SI units?

What is the SI unit of mass?

Define Analytical chemistry.

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The energy difference between the shells goes on ________ when moved away from the nucleus.

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The value of Plank’s constant is -

Make the pairs:

Match the following:

Answer in one sentence:

If an element ‘X’ has mass number 11 and it has 6 neutrons, then write its representation.

An atom of an element contains 29 electrons and 35 neutrons. Deduce the number of protons.

An atom of an element contains 29 electrons and 35 neutrons. Deduce the electronic configuration of that element.

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Gum in water is an example of ______.

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In Haber process of production of ammonia K₂O is used as ______.

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Fruit Jam is an example of ______.

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The equlilibrium, \[\ce{H2O(l)⇌ H^+_{( aq)} + OH^-_{( aq)}}\] is ______.

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For the equilibrium, A ⇌ 2B + Heat, the number of ‘A’ molecules increases if ______.

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For the equilibrium \[\ce{Cl2 (g) + 2NO(g) ⇌ 2NOCl(g)}\] the concerntration of NOCl will increase if the equlibrium is disturbed by ______

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The relation between K_C and K_P for the reaction \[\ce{A(g) + B(g) ⇌ 2C(g) + D(g)}\] is ______.

When volume of the equilibrium reaction \[\ce{C(g) + H2O(g) ⇌ CO(g) + H2(g)}\] is increased at constant temperature the equilibrium will ______.

Write the expression of K_C for following chemical reaction:

\[\ce{2SO_{2(g)} + O_{2(g)} ⇌ 2SO_{3(g)}}\]