11.

Write the products of the following chemical reaction

$2 {\mathrm{FeSo}}_4 · 7{\mathrm{H}}_2\mathrm{O} \stackrel{∆}{\to } \mathrm{M} \stackrel{∆}{\to } \mathrm{X} + \mathrm{Y} + \mathrm{Z}$

• M = FeSO₄, X = FeO, Y = SO₂, Z= SO₃

• M = Fe₂(SO₄)₃, X = Fe₂O₃, Y = SO₂, Z= H₂O

• M = FeSO₄, X = Fe₂O₃, Y = SO₂, Z = SO₃

• M = Fe₂ (SO₄)₃, X = FeO, Y = SO₂, Z = H₂O

Latent heat of vaporization is

• the heat energy required to change 10 g of liquid to a gas at atmospheric pressure at its boiling point

• the heat energy required to change 1 L of liquid to a gas at atmospheric pressure at its boiling point

• the heat energy required to change 1 mL of liquid to a gas at atmospheric pressure at its boiling point

• the heat energy required to change 1 kg of a liquid to gas at atmospheric pressure at its boiling point

How many numbers of particles will be in 8g O₂ molecules?

• 15.1 x 10²³

• 1.51 x 10²³

• 15.1 x 10¹³

• 1.51 x 10¹³

What happens when dry slaked lime reacted with chlorine gas?

• Bleaching powder forms

• Baking soda forms

• Washing soda forms

• Plaster of Paris forms

Who is the father of Biology?

• Lamarck

• Aristotle

• Theophrestus

• Charles Darwin

Which one of the following activities is action verbs?

• To see

• To underline

• To listen

• To know

"Science is an attempt to make the chaotic diversity of our sense experiences correspond to a logically uniform system of thought". Above mentioned definition of Science is given by.

• WC Dampier

• Albert Einstein

• Pt. JL Nehru

• JB Conant

Which method is child-centered?

• Project method

• Problem-solving method

• Laboratory method

• All of the above

Who has given the Taxonomy of teaching objectives?

• Robert Miller

• NE Groundland

• BS Bloom

• Herbert Spencer

Father of Branching programmed instruction

• BF Skinner

• Norman A Crowder

• Thomas F Gilbert

• Thorndike