EASY
10th Manipur Board
IMPORTANT
Earn 100

An alloy solder is used in the electronic industry to join different electronic components. What are the constituents of this alloy?

Important Questions on Metals and Non-Metals

EASY
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>Let us answer these>Q 11
Which alloy is used for making bodies of aircrafts? What is its approximate composition?
EASY
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>EXERCISES>Q 1
Give five points to distinguish metals from non-metals.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>EXERCISES>Q 2

You are given a hammer, a battery, a bulb, wires and a switch.

(i) How would you use them to distinguish metals and non-metals.

(ii) Assess the usefulness of these tests.

MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>EXERCISES>Q 3
Frying pans and boilers are generally made from aluminium but not from steel. Why? Give two reasons.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>EXERCISES>Q 4
Distinguish between metals and non-metals on the basis of their chemical properties. (Give three points).
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>EXERCISES>Q 5
What are amphoteric oxides? Give examples of two amphoteric oxides.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>EXERCISES>Q 6
Name two metals which will displace hydrogen from dilute acids, and two which will not.
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 5 - Metals and Non-Metals>EXERCISES>Q 7
Differentiate between minerals and ores.