MEDIUM
Earn 100

Name a non metal which when red hot reacts with steam. What happens as a result of the reaction?

Important Questions on Sorting Materials into Groups

MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of 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>Sorting Materials into Groups>Chemical Properties of Metals
Which of the following metal in combination with oxygen would yield basic metal oxide?
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of 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?

EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Zn(s) + CuSO4(aq) →  ZnSO4(aq) + Cu(s). What type of chemical reaction is shown in the above equation?
EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Why do we apply paint on iron articles?
EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Why do we apply paint on iron articles? 
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of 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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EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
What is the gas liberated when the metals react with dilute acids?
HARD
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Differentiate between metals and non-metals on the basis of their chemical properties.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals

 Which of the following elements would yield a basic oxide?

 Na,S,C,K,H

EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Which of the following does not react with dilute hydrochloric acid even on heating but it reacts with sulphuric acid?
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Choose the acidic oxides, basic oxides and neutral oxides from the following:
Na2O; CO2; CO; SO2; MgO; N2O; H2O.
HARD
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Which of the following is a metalloid?
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals

How do metal oxides differ from non-metal oxides?

MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals

What happens when magnesium reacts with oxygen? What is the nature of the product?


MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals

Write word equation for heated iron and steam.

EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
The elements which behave like metals and non-metals are called _____. (transition metals / semi-metals)