Metals placed below the hydrogen in reactivity series, will not give Hâ‚‚(g) with water (Hâ‚‚O). Decreasing order of reactivity of metals is Na > Mg > Zn > Cu
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Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions Class 10th Science Session 2022-23
As you know that the thickness of atmosphere is low, at very high altitude. So, there are less number of particles present for scattering. Therefore, the sky appears dark to the passengers.
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For an object moving along a straight path in an accelerated motion, it is not necessary that it always goes away from the earth.
Class 12 Science Biology Important MCQ Solutions 12th Biology Chapter-1 Reproduction in Organisms MCQ Questions 12th Biology Chapter-1 Reproduction in Organisms MCQ Solutions Class 12 Biology MCQ of Chapter-1 Reproduction in Organisms Class 12th Science Session 2022-2023
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i. Lower groups of organisms have simpler body design ii. Asexual reproduction is common in lower groups iii. Asexual reproduction is common in higher groups of organisms iv. The high incidence of sexual reproduction in angiosperms and vertebrates