NCERT Solutions For Class 10 Science Chapter 3: Metals and Non-metals

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NCERT Solutions for class 10 Science Chapter 3 Metals and Non-metals are provided in the article below. Some of the important topics in Metals and Non metals chapter include:

No of Expected questions: 2 to 3 questions for a total of 5 marks

Download PDF: NCERT Solutions for Class 10 Science Chapter 3 pdf

NCERT Solutions for Class 10 Science Chapter 3

NCERT Solutions for Class 10 Science Chapter 3 Metals and Non-metals is given below.

Class 10 Science Chapter 3 Metals and Non-metals – Important Topics

Metals: Metals are shiny, hard materials which are good conductors of heat and electricity. They are also malleable and ductile. Examples include Sodium, iron, gold, copper, silver.

Non-metals: Non-metals are usually rough, non-malleable, non-ductile and poor conductors of electricity. Examples include chlorine, fluorine, phosphorus, noble gases, etc.

The order of intensity or the reactivity of metal is arranged to give the Reactivity Series. Reactivity of elements decreases on moving from top to bottom of the series. The reactivity of metals in decreasing order is given below.

K>Na>Ca>Mg>Al>Zn>Fe>Pb>Cu

Metals react with non-metals to form ionic bonds. Compounds so formed are known as Ionic Compounds. Ions are formed when an atom gains or loses an electron.

Example of ionic bonds: Sodium reacts with chlorine to form Sodium chloride which is held together by ionic bonds.

Elements that exhibit the characteristics of both metals and non-metals are called metalloids.

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CBSE X Related Questions

1.
A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of object, then position of object and position of image will be, respectively :
- \(-15 \, \text{cm and} -15 \, \text{cm from lens}\)
- \(-15 \, \text{cm and} +15 \, \text{cm from lens}\)
- \(-30 \, \text{cm and} +30 \, \text{cm from lens}\)
- \(-30 \, \text{cm and} -30 \, \text{cm from lens}\)
View Solution
2.
(i) \( \text{AgNO}_3 + \text{NaCl} \rightarrow \text{NaNO}_3 + \text{AgCl} \)
(ii) \( \text{K}_2\text{SO}_4 + \text{BaCl}_2 \rightarrow \text{BaSO}_4 + 2\text{KCl} \)
Which of the following options clearly describes both the reactions?
- (i) is double displacement, (ii) is displacement reaction.
- Both, (i) and (ii) are displacement reactions and precipitation reactions.
- Both, (i) and (ii) are double displacement reactions and precipitation reactions.
- (i) is displacement, (ii) is double displacement reaction.
View Solution
3.
When an element 'X' reacts with water, it starts floating. Identify the element 'X':
- Potassium
- Calcium
- Sodium
- Iron
View Solution
4.
Identify the part that controls the closing and opening of the stomatal pore in leaves of plants. Select the correct option.
- Stomata
- Epidermal cells
- Guard cells
- Chloroplasts
View Solution
5.
Give one example each of electrolytic decomposition and decomposition by sunlight.
View Solution
6.
How many bulbs of resistance \( 8 \ \Omega \) each should be connected in parallel combination to draw a current of \( 2 \text{ A} \) from a battery of \( 4 \text{ V} \) ?
View Solution

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NCERT Solutions For Class 10 Science Chapter 3: Metals and Non-metals

Download PDF: NCERT Solutions for Class 10 Science Chapter 3 pdf

NCERT Solutions for Class 10 Science Chapter 3

Class 10 Science Chapter 3 Metals and Non-metals – Important Topics

CBSE X Related Questions

1.
A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of object, then position of object and position of image will be, respectively :

2.
(i) \( \text{AgNO}_3 + \text{NaCl} \rightarrow \text{NaNO}_3 + \text{AgCl} \)
(ii) \( \text{K}_2\text{SO}_4 + \text{BaCl}_2 \rightarrow \text{BaSO}_4 + 2\text{KCl} \)
Which of the following options clearly describes both the reactions?

3.
When an element 'X' reacts with water, it starts floating. Identify the element 'X':

4.
Identify the part that controls the closing and opening of the stomatal pore in leaves of plants. Select the correct option.

5.
Give one example each of electrolytic decomposition and decomposition by sunlight.

6.
How many bulbs of resistance \( 8 \ \Omega \) each should be connected in parallel combination to draw a current of \( 2 \text{ A} \) from a battery of \( 4 \text{ V} \) ?

Similar Science Concepts

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NCERT Solutions For Class 10 Science Chapter 3: Metals and Non-metals

Download PDF: NCERT Solutions for Class 10 Science Chapter 3 pdf

NCERT Solutions for Class 10 Science Chapter 3

Class 10 Science Chapter 3 Metals and Non-metals – Important Topics

CBSE X Related Questions

1.A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of object, then position of object and position of image will be, respectively :

2.(i) \( \text{AgNO}_3 + \text{NaCl} \rightarrow \text{NaNO}_3 + \text{AgCl} \) (ii) \( \text{K}_2\text{SO}_4 + \text{BaCl}_2 \rightarrow \text{BaSO}_4 + 2\text{KCl} \) Which of the following options clearly describes both the reactions?

3.When an element 'X' reacts with water, it starts floating. Identify the element 'X':

4.Identify the part that controls the closing and opening of the stomatal pore in leaves of plants. Select the correct option.

5.Give one example each of electrolytic decomposition and decomposition by sunlight.

6.How many bulbs of resistance \( 8 \ \Omega \) each should be connected in parallel combination to draw a current of \( 2 \text{ A} \) from a battery of \( 4 \text{ V} \) ?

Similar Science Concepts

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of object, then position of object and position of image will be, respectively :

2.
(i) \( \text{AgNO}_3 + \text{NaCl} \rightarrow \text{NaNO}_3 + \text{AgCl} \)
(ii) \( \text{K}_2\text{SO}_4 + \text{BaCl}_2 \rightarrow \text{BaSO}_4 + 2\text{KCl} \)
Which of the following options clearly describes both the reactions?

3.
When an element 'X' reacts with water, it starts floating. Identify the element 'X':

4.
Identify the part that controls the closing and opening of the stomatal pore in leaves of plants. Select the correct option.

5.
Give one example each of electrolytic decomposition and decomposition by sunlight.

6.
How many bulbs of resistance \( 8 \ \Omega \) each should be connected in parallel combination to draw a current of \( 2 \text{ A} \) from a battery of \( 4 \text{ V} \) ?