Materials: Metals And Non Metals Mock Tests
28 questions available
Materials: Metals And Non Metals Mock Test 1
Questions:
28
नमूना प्रश्न
When iron nails are placed in copper sulphate solution for a few minutes, the blue colour of the solution changes to:
Which metal is stored in kerosene to prevent reaction with air and moisture?
When iron nails are placed in copper sulphate solution, the solution turns green because:
Which non-metal is liquid at room temperature?
When zinc granules react with dilute sulphuric acid, hydrogen gas is produced. The correct observation is:
Which of the following metals reacts with cold water to form a hydroxide and release hydrogen gas?
Which metal is the most abundant in the Earth's crust?
Which of the following metals reacts with cold water to produce hydrogen gas vigorously?
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