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What colour change occur in hibiscus flower petal by acid and base?
Wiki User
∙ 9y ago
Acidic solutions: red
Basic solutions: dark green to black
Wiki User
∙ 7y ago
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What shows in reaction that chemical change has take place?
a reaction has taken place when one or more of the following occur : - a new substance is formed - change in colour - precipitate is formed
What are the symptoms which show that the change is chemical?
1.Precipitation forms 2.Bubbles of gas appear 3.Colour changes occur 4.Temperature occurs 5.Change in volume occurs
Calculate the molarity of 75g CUSO4 -5 H2O in 1.0L of solution?
briefly discuss the errors tahat occur in the above titration and the change in the colour of the indicators.
Why will wilting of a flower occur?
A plant usually wilts because it needs water.
What is a type of change that does not occur in the water cycle called?
Chemical change does not occur in water cycle. There is no change in chemical structure.
What change occur after fertilization?
it will become a new flower
How is the shape and size of shadow affected if colored light is used?
No change will occur because shadow is a dark outline of an object, irrespective of the colour of the object or the colour of the light.
Why does a pea pollen grain contain only one flower colour allele?
Because during gamete formation,one member of the allelic pair separates from one another to form the genetic constitution of the gamete (the gene responsible for flower colour of the allele will occur singly due the separation of the members of the allelic pair).
Why is the stigma a different height than the anthers?
The anthers and stigma occur at different heights to prevent self fertilization and to encourage cross fertilization.
What shows in reaction that chemical change has take place?
a reaction has taken place when one or more of the following occur : - a new substance is formed - change in colour - precipitate is formed
What are the symptoms which show that the change is chemical?
1.Precipitation forms 2.Bubbles of gas appear 3.Colour changes occur 4.Temperature occurs 5.Change in volume occurs
Which part of a flower does meiosis occur?
stamen and pistil
Calculate the molarity of 75g CUSO4 -5 H2O in 1.0L of solution?
briefly discuss the errors tahat occur in the above titration and the change in the colour of the indicators.
When a flower stem changes color what does that occur?
When the stem turns brown, the flower is either dead or dying.
What colour change will occur when potassium dichromate reacts with ethanol?
Potassium dichromate is orange and when it reacts with ethanol which is a primary alcohol it is going to oxidise it to form aldehyde which is colorless. so the color change is from Orange to Colorless. :)
What is the colour change in glucose when Benedict's solution is added to it and is heated?
Because starch and glucose are two different tests and there are different reactions that can occur in the process of these tests.
Where is the place where pollen lands for pollination to occur in a flower?
filimanet
