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What are oxides? What is the nature of metallic and non-metallic oxides?

Important Questions on Material : Metals and Non-Metals

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?

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?
EASY
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
What is the gas liberated when the metals react with dilute acids?
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.
EASY
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
A basic oxide will be formed by the element-
HARD
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
How do metals react with hydrogen? Explain with an example.
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
An element is soft and can be cut with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be :
EASY
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
The elements whose oxides can turn litmus solution blue are:
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
An acidic oxide is produced by the element:
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place.
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

What is your observation in the following case:

Burning of magnesium in air.

MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
The element which has an intermediate property between a metal and non-metal is known as?
EASY
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
The elements which behave like metals and non-metals are called _____. (transition metals / semi-metals)
MEDIUM
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Choose the acidic oxides, basic oxides and neutral oxides from the following:
Na2O; CO2; CO; SO2; MgO; N2O; H2O.
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.
HARD
Science>Chemistry>Material : Metals and Non-Metals>Chemical Properties of Metals and Non-metals
Write an equation for the reaction of magnesium with oxygen.