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प्रश्न
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
पर्याय
dazzling white
golden yellow
parrot green
brilliant blue
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उत्तर
brilliant blue
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संबंधित प्रश्न
An oxide and a carbonate containing oxygen.
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
What happens when mercuric oxide is heated?
Name the three types of oxidation processes. In which of these large amount of heat and light energy are produced?
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
State the precautions while preparing oxygen in the labo-ratory.
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
State three uses of oxygen, other than artificial respiration.
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
Mention the physical properties of oxygen.
