EASY
Earn 100

Which of the following reacts with water fastly?

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Important Questions on Sorting Materials into Groups

HARD
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Differentiate between metals and non-metals on the basis of their chemical properties.
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? 
EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
What is the gas liberated when the metals react with dilute acids?
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?
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
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
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
What happens when steam is passed over red-hot iron. Write only chemical equation.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals

Give reasons-

Why copper is used to make hot water tanks and not steel (an alloy of iron)?

HARD
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
What is the action of water on magnesium? Write equations of the chemical reactions involved.
HARD
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Why is rusting of iron considered a chemical change?
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Give reasons: Sodium, potassium and lithium are stored under oil.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Why does aluminium not react with water under ordinary conditions?
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Give the chemical name of the rust.
EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Which of the following reacts vigorously with water and slowly with water?
HARD
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Describe tinning of iron sheets.
EASY
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Which of the following is/are stored in kerosene?
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Explain how painting of an iron gate prevents it from rusting.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Chemical Properties of Metals
Give reason of Water pipes burst in severe winter.