MEDIUM
10th CBSE
IMPORTANT
Earn 100

Name two metal oxides that are insoluble in water. 

Important Questions on Metals and Non-Metals

HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 3
Write the reactions to show that aluminum oxide is amphoteric in nature.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 4
List the properties of metals due to which these can be transformed into different shapes.
HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 5
When a metal X is treated with cold water, it gives a base Y with molecular formula XOH (Molecular mass = 40) and liberates a gas Z which easily catches fire. Identify X, Y and Z and also write the reaction involved.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 6
What is reactivity series? How does the reactivity series of metals help in predicting the relative activities of various metals?
HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 7
Out of three metals X, Y and Z. X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 8
What happens when magnesium is treated with very dilute nitric acid?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 8
What happens when steam is passed over red-hot iron?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 9
Why does aluminium become dull after sometime?