Question

Class 8 science table 4.4 answer. is it correct ​

Answer 1

Answer:

yes........,....................

Answer 2

(1) Given:

• Name of the Base: Calcium hydroxide
• Name of the Acid: Sulphuric Acid

To Find:

Metal

Solution:

• The metal in calcium hydroxide or $Ca(OH)_{2}$ is Calcium, $Ca$
• The metal in sulphuric acid or $H_{2} SO_{4}$ is Sulphur, $S$

(2) Given:

• Name of the Base: Sodium Hydroxide
• Name of the Acid: Nitric Acid

To Find:

Metal

Solution:

• The metal in Sodium Hydroxide or $NaOH$ is Sodium or $Na$
• The metal in Nitric Acid or $HNO_{3}$ is Nitrogen or $N$

(3) Given:

• Name of the Base: Barium Hydroxide
• Name of the Acid: Phosphoric Acid

To Find:

Metal

Solution:

• The metal in Barium Hydroxide or $Ba(OH)_{2}$ is Barium or $Ba$
• The metal in Phosphoric Acid or $H_{3} PO_{4}$ is Phosphorous or $P$

(4) Given:

• Name of the Base: Potassium Hydroxide
• Name of the Acid: Carbonic Acid

To Find:

Metal

Solution:

• The metal in Potassium Hydroxide or $KOH$ is Potassium or $K$
• The metal in Carbonic Acid or $H_{2} CO_{3}$ is Carbon or $C$

(5) Given:

• Name of the Base: Lithium Hydroxide
• Name of the Acid: Hydrochloric Acid

To Find:

Metal

Solution:

• The metal in Lithium Hydroxide or $LiOH$ is Lithium or $Li$
• The metal in Hydrochloric Acid or $HCl$ is Hydrogen or $H$

Hence, the given table is correct.

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