Question

Activity 2.10 NCERT Class 10 Science, Acids, Bases and Salts

Answer 1

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Activity 2.10 NCERT Class 10 Science, Chapter 2 Acids, Bases, and Salts

Procedure:

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hot

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:Diluting an acid or base into water is an exothermic reaction. Here hydrogen ion interacts with a water molecule and forms hydronium ion. In this process, heat evolves which make the beaker hot.

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:Diluting an acid or base into water is an exothermic reaction. Here hydrogen ion interacts with a water molecule and forms hydronium ion. In this process, heat evolves which make the beaker hot.H2SO4 ------> H+ + HSO4-

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:Diluting an acid or base into water is an exothermic reaction. Here hydrogen ion interacts with a water molecule and forms hydronium ion. In this process, heat evolves which make the beaker hot.H2SO4 ------> H+ + HSO4-H+ + H2O ------> H3O+

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:Diluting an acid or base into water is an exothermic reaction. Here hydrogen ion interacts with a water molecule and forms hydronium ion. In this process, heat evolves which make the beaker hot.H2SO4 ------> H+ + HSO4-H+ + H2O ------> H3O+Warning:

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:Diluting an acid or base into water is an exothermic reaction. Here hydrogen ion interacts with a water molecule and forms hydronium ion. In this process, heat evolves which make the beaker hot.H2SO4 ------> H+ + HSO4-H+ + H2O ------> H3O+Warning:We add acid to water. If we add water to acid, the high concentration of acid may produce a violent exothermic reaction.

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:Diluting an acid or base into water is an exothermic reaction. Here hydrogen ion interacts with a water molecule and forms hydronium ion. In this process, heat evolves which make the beaker hot.H2SO4 ------> H+ + HSO4-H+ + H2O ------> H3O+Warning:We add acid to water. If we add water to acid, the high concentration of acid may produce a violent exothermic reaction.Concentrated acids and bases are corrosive; no person should touch it with bare hand or skin. In case a few drops spill on the body, a person should wash it with plenty of water.

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Answer 2

Answer:

Procedure:Activity 2.10 asks us to add a few drops of concentrated sulphuric acid slowly into a beaker containing water and see if heat produces.Observation:When we touch the bottom of the beaker, it feels hotExplanation:Diluting an acid or base into water is an exothermic reaction. Here hydrogen ion interacts with a water molecule and forms hydronium ion. In this process, heat evolves which make the beaker hot.H2SO4 ------> H+ + HSO4-H+ + H2O ------> H3O+Warning:We add acid to water. If we add water to acid, the high concentration of acid may produce a violent exothermic reaction.Concentrated acids and bases are corrosive; no person should touch it with bare hand or skin. In case a few drops spill on the body, a person should wash it with plenty of water.