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प्रश्न
Fill in the blank
A metal that gives dazzling effect to crackers when they explode is ______
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उत्तर
A metal that gives dazzling effect to crackers when they explode is magnesium.
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संबंधित प्रश्न
What happens when Iron nails are placed in copper sulphate solution?
Write word equations of the reactions involved.
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The alloy in which one of the metals is mercury is called an ______.
Give reasons
Aluminium is used in making aircrafts.
Fill in the blank
_______ is a soft metal.
A metal which is neither ductile nor malleable is
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
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Uses of zinc
State two important uses of following metal:
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Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
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With reference to the following metals state their use in daily life metal:
Silver
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Which of the following is not a metal?
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Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
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Why do metals appear shiny?
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
