Advertisements
Advertisements
प्रश्न
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
पर्याय
iodine in potassium iodide
iodine in acetone
iodine in water
iodine in alcohol
Advertisements
उत्तर
iodine in alcohol
Explanation:
Iodine dissolved in alcohol is called a tincture of iodine.
APPEARS IN
संबंधित प्रश्न
Name the terms for the particles of matter which may or may not have independent existence.
A kind of matter which can sublime is
Which of the following statements are true for pure substances ?
- pure substances contain only one kind of particles
- pure substances may be compounds or mixtures
- pure substances have the same composition throughout
- pure substances can be exemplified by all elements other than nickel
What is the concentration of a solution which contains 16 g of urea in 120 g of solution ?
If 25 mL of acetone is present in 150 mL of its aqueous solution, calculate the concentration of solution.
Define Aerosol Give one example.
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
Milk of Magnesia is :
What is the difference between colloids and suspensions ?
Name the process which is used in milk dairies to separate cream from milk.
Describe a method to separate a mixture of common salt and sand.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Explain the meaning of the term matter with special reference to the term ‘substance’.
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
The physical state of water at 373 K is ______.
Define the term matter.
Define the term matter.
