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प्रश्न
Choose the correct alternative and rewrite the following:
To observe the hydro and clearly, Raju should see it first under the low power lens and then under the high power lens in order to see _____________
पर्याय
less area
wide area
more buds
all of the above
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उत्तर
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संबंधित प्रश्न
Give a balanced chemical equation for Preparation of ethane from Sodium propionate
Fill in the following blank with suitable word.
The functional group present in ethanol is ...............
Give one exampleof the compound having the following functional group:
Alcohol group
What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved.
Write names and formulae of hydrocarbons containing a single and a double bond (one example for each). Give one characteristic chemical property of each.
Which of the following can damage optic nerve leading to blindness, if taken internally?
(a) CH3COOH
(b) C2H5OH
(c) NaHCO3
(d) CH3OH
Name the addition product formed between ethene and water.
What is meant by a functional group in carbon compounds?
Name the oxidising agent used for the conversion of ethanol to ethanoic acid. Distinguish between ethanol and ethanoic acid on the basis of (i) litmus test, (ii) reaction with sodium carbonate
Name the following:
100% ethanol
State how the following conversion can be carried out:
Ethene to ethyl alcohol
Write the structural formulae of the following compound:
Ethane
What are hydrocarbons? Give one example.
Why is the conversion of ethanol to ethanoic acid considered an oxidation reaction? Write the oxidising agent used in the reaction involved.
Which of the following are used as anesthetics?
Draw the electron dot structure of ethyne and also draw its structural formula
Look at below figure and answer the following questions.
- What change would you observe in the calcium hydroxide solution taken in tube B?
- Write the reaction involved in test tubes A and B respectively.
- If ethanol is given instead of ethanoic acid, would you expect the same change?
- How can a solution of lime water be prepared in the laboratory?
How would you bring about the following conversions? Name the process and write the reaction involved.
