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Swatee Sahu
Subject: Science
, asked on 10/10/17
a solution has been prepared by mixing 5.6ml of alcohol with 75 ml of water. calculate the % of alcohol in the solution
Answer
1
Aaditi Gajrushi
Subject: Science
, asked on 9/10/17
Which method is better for recovering FeSO4 from FeSO4 solution by evaporation or crystallization ? Give reason for your answer
Answer
3
Aaditi Gajrushi
Subject: Science
, asked on 9/10/17
How will you prepare saturated solution of pottassium nitrate at 30 degrees Celsius
Answer
2
Talib Kausar Faridy
Subject: Science
, asked on 29/9/17
why colloidal show tyndall effect
Answer
2
Talib Kausar Faridy
Subject: Science
, asked on 29/9/17
diffrientiate between boiling and evaporation
Answer
3
Mihika .
Subject: Science
, asked on 28/9/17
Q. Please answer to this question and in question they said which is not showing tyndall effects and experts are giving the answer as which is showing tyndall effect a
Dear student
Starch solution will show Tyndall effect, because it is a colloid.
Hence option d is correct.
Regards
Answer
4
Mihika .
Subject: Science
, asked on 28/9/17
Please answer for 7th question and please answer to this particular question only
Q.7. One of the following does not show Tyndall effect. This one is :
(a) Soap solution
(b) ink
(c) Sugar solution
(d) Starch solution
Answer
1
Mihika .
Subject: Science
, asked on 26/9/17
Please answer to 27th question and please answer to this particular question only.thank you
Q.27.a) Which produces more severe burns : boiling water or steam? Why?
b) Using a flow chart show the process of obtaining different gases from air.
Answer
1
Mihika .
Subject: Science
, asked on 26/9/17
Please answer to 26th question and please answer to this particular question only.thank you
Q.26. Compare the properties of a true solution, a suspension and a colloid.
Answer
1
Mihika .
Subject: Science
, asked on 26/9/17
Please answer to 19th question and please answer to this particular question only.thank you
Q.19.a) How will you separate iron filings, ammonium chloride and sand from their mixture?
b) If 110 g Copper sulphate is present in 550 g of solution, calculate the concentration of solution.
Answer
1
Mihika .
Subject: Science
, asked on 26/9/17
Please answer to b question and please answer to this particular question only.thank you
Q.b) If 110 g Copper sulphate is present in 550 g of solution, calculate the concentration of solution.
Answer
1
Mihika .
Subject: Science
, asked on 26/9/17
Please answer to 19th question and please answer to this particular question only.thank you
Q.19. a) How will you separate iron filings, ammonium chloride and sand from their mixture?
Answer
1
Pranav Jajoo
Subject: Science
, asked on 26/9/17
WRITE ABOUT THE FOLLOWING
1. MIXTURE AND COMPOUND
2. COLLOIDS AND SUSPENSION
3. DISTILLATION
4. CHROMATOGRAPHY
Answer
3
Savio
Subject: Science
, asked on 26/9/17
A mixture of sulphur and carbon disulphide is
(a) heterogeneous mixture and shows tyndall effect.
(b) homogeneous mixture and shows tyndall effect.
(c)heterogeneous mixture and do not show tyndall effect.
(d) homogeneous and do not show tyndall effect
Answer
3
Mihika .
Subject: Science
, asked on 25/9/17
Please answer 6th question and pl answer to this particular question.
Q.6. A crude sample of iodine can be purified by
(a) Distillation (b) Crystallization (c) Sublimation (d) Centrifugation
Answer
4
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What are you looking for?
Dear student
Starch solution will show Tyndall effect, because it is a colloid.
Hence option d is correct.
Regards
Q.7. One of the following does not show Tyndall effect. This one is :
(a) Soap solution
(b) ink
(c) Sugar solution
(d) Starch solution
Q.27.a) Which produces more severe burns : boiling water or steam? Why?
b) Using a flow chart show the process of obtaining different gases from air.
Q.26. Compare the properties of a true solution, a suspension and a colloid.
Q.19.a) How will you separate iron filings, ammonium chloride and sand from their mixture?
b) If 110 g Copper sulphate is present in 550 g of solution, calculate the concentration of solution.
Q.b) If 110 g Copper sulphate is present in 550 g of solution, calculate the concentration of solution.
Q.19. a) How will you separate iron filings, ammonium chloride and sand from their mixture?
1. MIXTURE AND COMPOUND
2. COLLOIDS AND SUSPENSION
3. DISTILLATION
4. CHROMATOGRAPHY
(a) heterogeneous mixture and shows tyndall effect.
(b) homogeneous mixture and shows tyndall effect.
(c)heterogeneous mixture and do not show tyndall effect.
(d) homogeneous and do not show tyndall effect
Q.6. A crude sample of iodine can be purified by
(a) Distillation (b) Crystallization (c) Sublimation (d) Centrifugation