Science 10 Q4

Froggy Jumps

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Your Chemistry facts; Test your Knowledge!

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Khristian Neyan

Philippines

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Science 10 Q4


Froggy Jumps Science 10 Q4Version en ligne Your Chemistry facts; Test your Knowledge! par Khristian Neyan 1 1. Which of the following elements are found in carbohydrates? a b. C, H, O, N b a. C, H, O c c. C, H, O, N, S 2 2. The building block of proteins is: a b. Amino acid b c. Nucleotide c a. Fatty acid 3 3. Lipids are best described as: a c. Hydrophobic b b. Soluble in water c a. Hydrophilic 4 4. Which biomolecule stores genetic information? a a. Lipids b b. Proteins c d. Nucleic acids 5 5. Enzymes are examples of: a a. Carbohydrates b c. Proteins c b. Lipids 6 6. Which carbohydrate provides immediate energy? a b. Starch b a. Cellulose c d. Sucrose 7 7. The building block of nucleic acids is: a b. Fatty acid b c. Nucleotide c a. Amino acid 8 8. Which law states that as pressure increases, volume decreases at constant temperature? a b. Boyle's Law b a. Charles' Law c c. Gay-Lussac's Law 9 9. The formula for Boyle's Law is: a a. V1/T1 = V2/T2 b c. P1/T1 = P2/T2 c b. P1V1 = P2V2 10 10. Temperature must be in what unit when solving gas law problems? a a. Celsius b b. Fahrenheit c c. Kelvin 11 11. Which gas property refers to the force of colliding particles? a b. Pressure b a. Volume c c. Temperature 12 12. As temperature increases, the movement of gas molecules becomes: a b. Faster b a. Slower c c. Stops 13 13. Charles' Law relates volume and: a c. Temperature b a. Pressure c b. Mass 14 14. Gay-Lussac's Law relates pressure and: a a. Volume b c. Mass c b. Temperature 15 15. Absolute zero is equal to: a a. 0°C b b. 100 K c d. 0 K 16 16. A compound is made of: a a. One type of atom b b. Two or more elements bonded together c c. Only metals 17 17. NaCl is an example of a: a a. Covalent compound b c. Element c b. Ionic compound 18 18. Sharing of electrons forms what type of bond? a b. Metallic b a. Ionic c c. Covalent 19 19. Breaking glass is an example of: a c. Nuclear change b b. Physical change c a. Chemical change 20 20. Rusting of iron is an example of: a a. Physical change b c. Evaporation c b. Chemical change 21 21. Reactants are found at the: a c. Tail of the arrow b b. Right side c a. Arrow head 22 22. In a chemical equation, the plus sign (+) means: a a. Product b b. Reacts with c c. Yields 23 23. A + B → AB is an example of: a d. Synthesis b a. Decomposition c b. Single displacement 24 24. AB → A + B is an example of: a b. Decomposition b a. Combination c c. Replacement 25 25. AB + C → AC + B is an example of: a b. Double displacement b c. Synthesis c a. Single displacement 26 26. AB + CD → AD + CB is an example of: a a. Single displacement b c. Double displacement c b. Decomposition 27 27. Electrolysis of water produces: a b. Hydrogen and oxygen b c. Carbon dioxide c a. Salt and water 28 28. From every gram of fat, the body gets: a b. 7 calories b c. 9 calories c a. 4 calories 29 29. The sugar found in DNA is: a c. Deoxyribose b b. Glucose c a. Ribose 30 30. Phospholipids are important in forming the: a a. Cell membrane b b. Hair c c. DNA 31 31. Combustion reaction occurs when a substance reacts with: a c. Oxygen b b. Hydrogen c a. Nitrogen 32 32. The products of complete combustion of hydrocarbons are: a c. Salt and water b a. Carbon and hydrogen c b. Carbon dioxide and water 33 33. An acid-base reaction usually produces: a c. Acid and metal b a. Gas and solid c b. Salt and water 34 34. Which best describes the Law of Conservation of Mass? a a. Matter can be created during a reaction b c. Mass of reactants is equal to mass of products c b. Matter can be destroyed during a reaction 35 35. According to collision theory, particles must collide with enough ______ to react. a a. Volume b b. Pressure c c. Energy 36 36. Activation energy is the: a b. Minimum energy required to start a reaction b a. Energy released during reaction c c. Total energy of products 37 37. Increasing the surface area of a solid reactant will: a a. Slow down the reaction b b. Stop the reaction c c. Increase the reaction rate 38 38. Increasing the concentration of reactants generally makes a reaction: a b. Faster b a. Slower c c. Unchanged 39 39. Increasing temperature affects reaction rate by: a a. Decreasing collisions b c. Increasing kinetic energy of particles c b. Reducing particle motion 40 40. A catalyst speeds up a reaction by: a a. Increasing temperature b c. Lowering the activation energy c b. Being consumed in the reaction

Science 10 Q4

Froggy Jumps

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Créé par

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Science 10 Q4Version en ligne

par Khristian Neyan

1. Which of the following elements are found in carbohydrates?

2. The building block of proteins is:

3. Lipids are best described as:

4. Which biomolecule stores genetic information?

5. Enzymes are examples of:

6. Which carbohydrate provides immediate energy?

7. The building block of nucleic acids is:

8. Which law states that as pressure increases, volume decreases at constant temperature?

9. The formula for Boyle's Law is:

10. Temperature must be in what unit when solving gas law problems?

11. Which gas property refers to the force of colliding particles?

12. As temperature increases, the movement of gas molecules becomes:

13. Charles' Law relates volume and:

14. Gay-Lussac's Law relates pressure and:

15. Absolute zero is equal to:

16. A compound is made of:

17. NaCl is an example of a:

18. Sharing of electrons forms what type of bond?

19. Breaking glass is an example of:

20. Rusting of iron is an example of:

21. Reactants are found at the:

22. In a chemical equation, the plus sign (+) means:

23. A + B → AB is an example of:

24. AB → A + B is an example of:

25. AB + C → AC + B is an example of:

26. AB + CD → AD + CB is an example of:

27. Electrolysis of water produces:

28. From every gram of fat, the body gets:

29. The sugar found in DNA is:

30. Phospholipids are important in forming the:

31. Combustion reaction occurs when a substance reacts with:

32. The products of complete combustion of hydrocarbons are:

33. An acid-base reaction usually produces:

34. Which best describes the Law of Conservation of Mass?

35. According to collision theory, particles must collide with enough ______ to react.

36. Activation energy is the:

37. Increasing the surface area of a solid reactant will:

38. Increasing the concentration of reactants generally makes a reaction:

39. Increasing temperature affects reaction rate by:

40. A catalyst speeds up a reaction by: