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प्रश्न
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
उत्तर
Oxygen
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संबंधित प्रश्न
Classify the following substances into compounds and mixtures:
Is food that we eat a mixture ?
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Marble
Give one use of the following substance:
Iron
Fill in the blank
The most abundant element in the earth’s crust is _______.
Indicate whether the following statement is true or false:
Metals can be polished.
Indicate whether the following statement is true or false:
Noble gases are high reactive
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Complete the statement given below by filling in the blank with the correct word.
From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is ________.
Write the names of elements from the following symbol:
Ti
