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प्रश्न
M is an element in the form of a powder. M burns in oxygen and the product obtained is soluble in water. The solution is tested with litmus. Write down only the word which will correctly complete the following sentence.
If M is a non-metal, it will not conduct electricity in the form of ______.
उत्तर
If M is a non-metal, it will not conduct electricity in the form of molten (or gas).
संबंधित प्रश्न
Give one test which can be used to detect the presence of the ion produced
State the inference drawn from the following observations:
A gas Q turns moist lead acetate paper silvery black. Identify the gas Q.
State one advantage of using ‘Ph paper’ for measuring the Ph value of an unknown solution.
What would you observe when red litmus paper is introduced in Caustic soda solution?
A solution has a pH of 7. Explain, how you would:
Decrease its pH, If a solution changes the color of litmus from red to blue, what can you say about its pH?
Define the following term : pH scale
Write the approximate colour of the following sample with the universal indicator: Soil containing slaked lime
What should be added to Increase the pH value .
Complete the following table and write your observations.
| Hydrogen sulphide | Ammonia | Sulphur dioxide | Hydrogen chloride | |
| Shake the gas with red litmus solution |
Describe the tests used to determine acids and bases.
