Question:- Due to which process dry raisins when kept in water swell up? A. Osmosis B. Sedimentation C. Distillation D. Decantation
Answer:- Ans. A Explanation: A process by which molecules of a solvent tend to pass through a semi-permeable membrane from a less concentrated solution into a more concentrated one is known as osmosis.
Question:- Which of the following is a mixture? A. Distilled water B. Gasoline C. Both A and B D. Neither A nor B
Answer:- Ans. B Explanation: Two or more elements or compounds when mixed in any proportion so that the chemical properties of the components do not change, then it is called a mixture.
Question:- Boyles law relates to which state of matter? A. Solid state B. Liquid stage C. Gaseous state D. None of the above
Answer:- Ans. C Explanation: Boyles law, the pressure of certain quantities of gas on stable heat is inversely proportional to its volume.
Question:- How many manned space missions are launched by NASA so far? A. 160 B. 162 C. 164 D. 166
Answer:- D
Question:- What was the first manned mission of NASA? A. PQS-5 B. Apollo-Soyuz C. STS-1 D. Bell X-1
Answer:- C
Question:- 1. Consider the following statements 1. In 2022, the lunar eclipse will also cause what is popularly known as the Blood Moon phenomenon. 2. On May 16, 2022, the lunar eclipse will be the first of two lunar eclipses that are set to take place this year. The second one will take place on October 8. Which of the following statement(s) is/are correct? A. Only 1 B. Only 2 C. Both 1 and 2 D. Neither 1 nor 2
Answer:- Ans. A Explanation: In 2022, the lunar eclipse will also cause what is popularly known as the Blood Moon phenomenon. During a Blood Moon, a reddish tint is visible on the surface of the moon. This gives a unique appearance. On May 16, 2022, the lunar eclipse will be the first of two lunar eclipses that are set to take place this year. The second one will take place on November 8.
