QBManager

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25825 Which metal is not silvery white

1

N i

2

C u

3

N a

4

S n

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25826 Azurite is an ore of

1

A g

2

C u

3

P t

4

A u

Explanation:

(b)Azurite $C u (O H)_{2} .2 C u C O_{3}$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25827 Copper can be extracted from

1 Kupfernickel

2 Dolomite

3 Galena

4 Malachite

Explanation:

(d)Malachite $(C u (O H)_{2} . C u C O_{3})$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25828 Which of the following ore is called malachite

1

C u_{2} S

2

C u C O_{3} . C u (O H)_{2}

3

C u_{2} O

4

C u C O_{3}

Explanation:

Malachite $[C u C O_{3} \cdot C u (O H)_{2}]$ is an ore of copper.

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25825 Which metal is not silvery white

1

N i

2

C u

3

N a

4

S n

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25826 Azurite is an ore of

1

A g

2

C u

3

P t

4

A u

Explanation:

(b)Azurite $C u (O H)_{2} .2 C u C O_{3}$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25827 Copper can be extracted from

1 Kupfernickel

2 Dolomite

3 Galena

4 Malachite

Explanation:

(d)Malachite $(C u (O H)_{2} . C u C O_{3})$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25828 Which of the following ore is called malachite

1

C u_{2} S

2

C u C O_{3} . C u (O H)_{2}

3

C u_{2} O

4

C u C O_{3}

Explanation:

Malachite $[C u C O_{3} \cdot C u (O H)_{2}]$ is an ore of copper.

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25825 Which metal is not silvery white

1

N i

2

C u

3

N a

4

S n

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25826 Azurite is an ore of

1

A g

2

C u

3

P t

4

A u

Explanation:

(b)Azurite $C u (O H)_{2} .2 C u C O_{3}$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25827 Copper can be extracted from

1 Kupfernickel

2 Dolomite

3 Galena

4 Malachite

Explanation:

(d)Malachite $(C u (O H)_{2} . C u C O_{3})$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25828 Which of the following ore is called malachite

1

C u_{2} S

2

C u C O_{3} . C u (O H)_{2}

3

C u_{2} O

4

C u C O_{3}

Explanation:

Malachite $[C u C O_{3} \cdot C u (O H)_{2}]$ is an ore of copper.

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25825 Which metal is not silvery white

1

N i

2

C u

3

N a

4

S n

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25826 Azurite is an ore of

1

A g

2

C u

3

P t

4

A u

Explanation:

(b)Azurite $C u (O H)_{2} .2 C u C O_{3}$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25827 Copper can be extracted from

1 Kupfernickel

2 Dolomite

3 Galena

4 Malachite

Explanation:

(d)Malachite $(C u (O H)_{2} . C u C O_{3})$

GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25828 Which of the following ore is called malachite

1

C u_{2} S

2

C u C O_{3} . C u (O H)_{2}

3

C u_{2} O

4

C u C O_{3}

Explanation:

Malachite $[C u C O_{3} \cdot C u (O H)_{2}]$ is an ore of copper.

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Question Bank Series

Explanation:

Explanation:

Explanation:

Explanation: