HARD
Earn 100

Explain the reaction of metals and non-metals with

(i) Acids (ii) Air  (iii) Water

Important Questions on Material : Metals and Non-Metals

MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Write a chemical equation for the reaction taking place in the test tube. How does the colour of the solution change? What is the change in colour of iron nails? 

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MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be-
EASY
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Zn(s) + CuSO4(aq) →  ZnSO4(aq) + Cu(s). What type of chemical reaction is shown in the above equation?
EASY
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Which of the following metal in combination with oxygen would yield basic metal oxide?
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

HARD
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Differentiate between metals and non-metals on the basis of their chemical properties.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
All acids contain hydrogen. What happens if you replace this hydrogen with a metal?
 
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Consider the following elements:
Sodium, Sulphur, Carbon, Magnesium. Which of these elements will form acidic oxides?
HARD
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Why non-metals do not react with dilute acids?
HARD
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
How are neutral oxides formed from non-metals? Give two examples with chemical reactions.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Why is phosphorus kept underwater?
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Why should the foodstuffs like orange juice, pickles, chutney and curd not be kept in iron or aluminium containers?
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Can you store the lemon pickle in an aluminium utensil? Explain.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
What type of oxides are formed when non-metals combine with oxygen?
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
A salt is formed when a metal displaces hydrogen from an acid.
EASY
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Name the gas produced when chlorine is dissolved in water and exposed to sunlight.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
How do metals react with dilute acids? Explain with the help of an example.
HARD
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Compare the chemical properties of metals and non-metals in tabular form.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
How do metal oxides differ from non-metal oxides?