Science Class 6th

321. If the forces of attraction between solute-solute particles is weaker than the solute-solvent particles, the solute will be _______ in solvent.

A. Soluble

B. Insoluble

C. Both ‘a’ and ‘b’

D. None of these

322. If the forces of attraction between solute-solvent is weaker than the solute-solute interaction, then the solute will be _________ in solvent.

A. Soluble

B. Solute

C. Insoluble

D. None of these

323. _______ is called universal solvent.

A. Petrol

B. Sugar

C. Benzene

D. Water

 

324. Water is an excellent solvent because of __________ composition.

A. Chemical

B. Physical Characteristics

C. Both ‘a’ and ‘b’

D. None of these

325. On the basis of the amount of solute present in a solvent, solution is classified into?

A. Dilute Solution

B. Concentrated Solution

C. Both ‘a’ and ‘b’

D. None of these

326. _________ solution contains small amount of solute.

A. Dilute

B. Concentrated

C. None of these

327. _________ solution contains large amount of solute.

A. Dilute

B. Concentrated

C. Both ‘a’ and ‘b’

D. None of these

328. A solution which can’t dissolve more solute at a given temperature is called?

A. Concentrated Solution

B. Dilute Solution

C. Saturated Solution

D. All of these

329. A solution which can dissolve more solute at a given temperature is called _______ solution.

A. Saturated

B. Unsaturated

C. Concentrated

D. None of these

330. The amount of solute that will dissolve in a given amount of solvent at a given temperature is called?

A. Solution

B. Solute

C. Solvent

D. Solubility

331. The number of grams of solute dissolved in 100 grams of a solvent to prepare a saturated solution at a particular temperature is called?

A. Solubility

B. Solution

C. Solvent

D. None of these

332. The solubility of all gaseous solutes_______ with increase in temperature.

A. Decreases

B. Remains the same

C. Increases

D. None of these

333. Solubility of heat absorbing solute increases with an _________ in temperature.

A. Decrease

B. Increase

C. Constant

D. None

334. Solubility of KNO3 and CaCl2 _____________ with increase in temperature.

A. Increases

B. Decreases

C. Constant

D. All of these

335. Solubility of heat releasing substances __________ with increase in temperature

A. Increases

B. Same

C. Decreases

D. None of these

336. Calcium Oxide solubility ____________ with increase in temperature

A. Decreases

B. Increases

C. Constant

D. None of these

337. The solubility of NaCl ___________ with increase in temperature.

A. Change

B. Doesn’t change

C. Increase

D. Decrease

338. Which of these is completely soluble in water?

A. Sand

B. Cooking Oil

C. Wax

D. Table Salt

339. Which statement is true for saturated solution?

A. Maximum Solute at given temperature.

B. Can dissolve more solute

C. Small amount of solute

D. Further added solution will vanish

340. Water insoluble substance is?

A. Salt

B. Sugar

C. Cooking oil

D. Milk