Class 8 Exam > Class 8 Questions > Sodium is a:a)Colourless and hard metal b)Si...
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Sodium is a:
- a)Colourless and hard metal
- b)Silvery white and very soft metal
- c)Silvery white and hard metal
- d)Colourless and soft metal
Correct answer is option 'B'. Can you explain this answer?
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Sodium is a:a)Colourless and hard metal b)Silvery white and very soft...
Sodium is a:
- Sodium is a silvery white and very soft metal.
- It is one of the alkali metals and belongs to the group 1 (or 1A) elements in the periodic table.
- Sodium has a low melting point and is easily cut with a knife.
- It is highly reactive and reacts vigorously with water, releasing hydrogen gas and forming sodium hydroxide.
- In its pure form, sodium is not found in nature, but it is commonly found in compounds such as sodium chloride (table salt) and sodium bicarbonate (baking soda).
- Sodium is an essential element for many biological processes and is necessary for maintaining proper fluid balance, nerve function, and muscle contraction in the human body.
- It is commonly used in various industries, including the production of chemicals, soaps, detergents, and as a coolant in nuclear reactors.
- Sodium compounds are also used in food preservation, water treatment, and as a flavor enhancer in processed foods.
- However, excessive sodium intake can be harmful to health and is associated with high blood pressure and an increased risk of cardiovascular diseases.
- Sodium is a silvery white and very soft metal.
- It is one of the alkali metals and belongs to the group 1 (or 1A) elements in the periodic table.
- Sodium has a low melting point and is easily cut with a knife.
- It is highly reactive and reacts vigorously with water, releasing hydrogen gas and forming sodium hydroxide.
- In its pure form, sodium is not found in nature, but it is commonly found in compounds such as sodium chloride (table salt) and sodium bicarbonate (baking soda).
- Sodium is an essential element for many biological processes and is necessary for maintaining proper fluid balance, nerve function, and muscle contraction in the human body.
- It is commonly used in various industries, including the production of chemicals, soaps, detergents, and as a coolant in nuclear reactors.
- Sodium compounds are also used in food preservation, water treatment, and as a flavor enhancer in processed foods.
- However, excessive sodium intake can be harmful to health and is associated with high blood pressure and an increased risk of cardiovascular diseases.
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Sodium is a:a)Colourless and hard metal b)Silvery white and very soft metal c)Silvery white and hard metald)Colourless and soft metalCorrect answer is option 'B'. Can you explain this answer?
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