EASY
Earn 100

Why is crystallization a better technique than evaporation for drying?

50% studentsanswered this correctly

Important Questions on Chemistry

MEDIUM
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
A solution is _____.
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Which of the following isn't the classification of matter based on the chemical composition of matter ?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Name the technique which is used to separate two or more soluble solids, which are present in very small quantities in solution?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
What is the purpose of the separating funnel?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
To which of the following type of mixture the example of 'honey, salt solution and sugar solution' belongs to ?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
What is residue in the filtration process?
MEDIUM
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
A Science teacher asks her students to put two drops each of oil and sugar solution on a flat surface. She then asks them to tilt the surface and observe the order in which the drops reach the bottom. Which property of the liquids is the teacher trying to bring to the student's attention through this activity?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
The rate of dissolution of a solute depends on _____.
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Which of the following can be broken into two or more than two substances by physical processes ?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Name the particles that make up a molecule?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Which of the following method involves the separation of unwanted substances simply using hands from the desired ones ?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Which of the following isn't the classification of matter on the basis of their physical state ?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
_____ is used to separate common salt dissolved in water?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Which is an effective method to separate mixtures comprised of two or more pure liquids?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
Which of the following is a property of a solid?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
For which of the following mixture the process of decantation can be used to separate them?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
The density of water is greater than the density of Kerosene. If the two are mixed _____.
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
The pressure in a fluid that is at rest _____
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
By which mechanism a mixture of an immiscible liquid is separated?
EASY
Environmental Studies>Environmental Studies>Chemistry>Element and Compound
To which of the following type of mixture the example of 'Air' belongs to ?