HSC Science (Computer Science) 11th Standard - Maharashtra State Board Question Bank Solutions

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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:

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

Write the expression of K_c for the following chemical reaction.

\[\ce{N2O4(g) ⇌ 2NO_2{(g)}}\]

Differentiate irreversible and reversible reaction.

Which of the following is not an example of redox reaction?

Explain Reversible reaction.

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The missing particle from the nuclear reaction is ____________

\[\ce{^27_13Al + ^4_2He -> ? + ^1_0n}\]

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The radioactive isotope used in the treatment of Leukemia is ______.

Write the formula for the following compound:

Mercury(II) chloride

Write the formula for the following compound:

Thallium(I) sulphate

Write the formula for the following compound:

Tin(IV) oxide

Write the formula for the following compound:

Chromium(III) oxide

Calculate the binding energy per nucleon of \[\ce{^84_36Kr}\] whose atomic mass is 83.913 u. (Mass of neutron is 1.0087 u and that of H atom is 1.0078 u).

Explain the following.

The elements Li, B, C, Be and N have the electronegativities 1.0, 2.0, 1.5, and 3.0, respectively on the Pauling scale.

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Which of the following compound has the highest boiling point?

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Acidic hydrogen is present in _______.