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Chemistry Quiz 17 (25 MCQs)

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1. Water climbing from the roots to the top of a plant through small tubes. The water sticks to itself (cohesion) and to the side of the tube (adhesion).
2. Deoxyribonucleic acid is also known as
3. Have solute particles big enough to settle at the bottom of the mixture can be alternately filtered to separate particles by filtration
4. Elements in the same group
5. Modern Periodic Table me elements ka base kya hai
6. The strongest types of bonds
7. Which have maximum number of isotopes?
8. Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons?
9. When an atom loses an electron, it becomes a
10. Which subatomic particle is negative?
11. The end or final materials in a chemical reaction is known as _____
12. When possible, the human body will use macromolecules in what order?
13. The mass number of an atom is equal to
14. Which electron configuration belongs to Chlorine (Cl)?
15. Isotopes differ in the number of _____
16. A solution that has a pH of 7 is
17. One mole of sulfur (S) is equal to home many atoms?
18. Increasing the temperature gives particles more _____
19. Oil of vitriol is
20. The energy stored in chemical bonds is
21. The metallurgical process in which a metal is obtained in a fused state is called?
22. Which subatomic particles are found in the nucleus?
23. Which type of reaction is:3 Pb + 2 H3PO4 $\rightarrow$ 3 H2 + Pb3(PO4)2
24. Which of these make up 96% of the elements within the human body?
25. The function of carbohydrates is
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