Question
What is the colour of
base?Solution
Phenolphthalein : • Chemical formula: C14 H20 O4 • It is a synthetic acid/base indicator. • It is colourless in acidic medium and turns to pink in basic medium. Methyl orange: • Chemical Formula: C14 H 14 N3 NaO3 S. • It is a synthetic indicator. • It turns orange-red in acidic medium and is yellow in basic medium.
Match List-I with List-II and select the correct answer using the codes given below the lists.
Which gas is considered as the most abundant greenhouse gas in the atmosphere?
Mineral having maximum cation exchange capacity is
Which of the following is incorrectly matched?
The total market value of all final goods and services produced in a country in a given year is known as ……………………….
...Which physiological process declines first during seed deterioration?
The toxic alkaloid found in the leaves of sorghum crop is ___________ .
4 'A' model of rural marketing includes:
In the soil water-plant continuum, what is the driving force that allows water to move from the soil through the plant to the atmosphere?
Increase in supply of money leads to:
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