Question
Which of the following indicator produces a pink colour
in an alkaline solution?Solution
Phenolphthalein turns pink when exposed to substances above a pH of 8.2. This colour change is a result of ionization, which alters the shape and charge of phenolphthalein molecules. This causes it to block the blue light spectrum when exposed to alkaline substances, producing a pink to purple hue.
The court has reiterated that the (A) / grant of a certificate by the (B) / CBFC denudes the state of the power (C) / to prevent the exhibit of a film....
IQ tests are not the ultimate method to evaluating human potential.
A core network constitutes the network of rural roads in a State necessary to provide basic access for all habitations.
What finally prompted her to quiet(1)/ her charmed social circular of London(2)/ and come back to India was(3)/Â Â the famine that hitted (4) Bihar in...
Each question in this portion has a sentence with three parts (a), (b) and (c). Read each sentence to find out whether there is any error in a...
Given below is a sentence with or without an error. The error, if any, is in one part of the sentence. Choose the correct part which contains the error...
In the following question, a sentence is divided into five parts namely A, B, C, D and E in which two of the parts have some grammatical or contextual ...
All the waste are currently (1)/dumped on either the three landfill sites (2)/present at Delhi, (3)/posing environmental and health hazard (4)/for the s...
She has been (1)/working hardly (2)/to finish the project (3)/ before the deadline. (4)
Directions: In each of the questions, a sentence has been divided into four parts, one of which may contain an error. Identify that fragment and mark i...
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