MEDIUM
10th CBSE
IMPORTANT
Earn 100

When calcium metal is added to water the gas evolved does not catch fire but same gas evolved on adding sodium metal to water catches fire. Why it is so?

Important Questions on Metals and Non-Metals

EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 7
What happens when zinc sulphide is heated in air. Give the equation also.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 7
What happens when sulphur is heated with concentrated H2SO4. Give the equation also.
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 7
What happens when steam is passed over red hot aluminium. Give equation also.
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 7
What happens when some zinc pieces are put into blue copper sulphate solution. Give the equation also.
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 8
Define the terms 'alloy' and 'amalgam'. Name the alloy used for welding electric wires together. What are its constituents?
EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 8

Name the constituents of the following alloy:

Brass

EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 8

Name the constituents of following alloy:

Stainless steel.

EASY
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>SELF-EVALUATION TEST>Q 8

Name the constituents of the following alloy:

Bronze.