DIRECTIONS: Write The Letter Of The Correct Answer. 1. Which Step Of The…
DIRECTIONS: Write the letter of the correct answer. 1. Which step of the scientific method comes after hypothesis? a. data gathering b. problem c. experiment d. conclusion 2. The statement” If plants respond positively to sunlight, then an indoor plant placed near the window will bend toward the window is an example of __________________. a. observation b. experiment c. hypothesis d. conclusion 3. What homogeneous mixture is formed when substance is dissolved in another substance? a. solution b. element C. Colloid d. metal 4. The component present in greater amount is called a. Homogeneous B. Heterogeneous C. Solute D. Solvent 5 A chemical substance that is made up of a particular kind of atom that cannot be broken down. a. Element b. compound c. solute d. solvent 6 An anything that occupies space and has mass. a. Matter b. chemical c. solute d. solvent 7. A molecule of water is made up of two atoms of hydrogen and one atom of oxygen. It is a ( an ) a. compound b. element c. solution d. mixture 8. Which of the following should you use to hold the handle of a frying pan? a. aluminum foil b. cardboard c. a piece of paper d. rubber 9. Which is NOT a characteristic of a metal? A. malleability b. ductility c. possesses shiny luster d. insulators of heat and electricity 10. Which is the correct list of qualities of carbon and sulfur? a. Shine brightly when polished and good conductors of heat and electricity b. poor conductors of heat and electricity, opaque, solid at room temperature c. poor conductors of heat and electricity, shine at all times, liquid at room temperature. d. shine brightly when polished, good conductors of heat and electricity, good conductors of heat 11. A form of matter having the same chemical composition and the same properties. a. substance b. mixture c. solution d. solubility 12. When salt can be dissolved in water very well. this means that water is ________ a. solute b. solvent c. solution d. element 13. Which of the following are mixture? a. water b. air c. carbon dioxide d. table salt 14. Which statement describes the solute? a. It is the solid form in a solution. c. The component of a solution is in smaller amount b. It is the liquid part of a solution. d. The component of a solution is bigger in amount. 15. Which of the following is an example of a solution? a. softdrinks b. chicken noodle soup c. chopsuey d. vegetable salad 16. Which of the following is an example of heterogeneous mixture? a. alloy b. 18K Gold c. gas dissolved in water d, oil and water 17. Air is a combination of 78% Nitrogen gas, 21 % Oxygen with various amounts of other materials such as inert gases , water vapor and other particulates. It indicates that air is ___________ a compound b. element c. mixture d. pure substance 18. After mixing a pack of powdered milk in a bottle of water, you noticed that there are still undissolved powder at the bottom of the bottle. What should you do to dissolve the undissolved powder? a. Add more powdered milk to the container. b. Add more water to the mixture then shake very well. c. Put the bottle of water with powdered milk in the refrigerator and let it chill. d. Boil the solution until it dries up. 19. Which of the following does NOT belong to the group of liquid solution? a. 70% solution of ethyl alcohol b. cologne c. sanitizing gel d. 10 K Gold college ring 20. Which glass holds an unsaturated solution? a. 24 grams of salt in 100 grams of water. c. 40 grams of salt in 100 grams of water b. 36 grams of salt in 100 grams of water d. 46 grams of salt in 100 grams of water 21. Alcohol can kill Novel Corona virus, which of the following solution has a disinfecting property? 7o% solution b. 40% solution c. both a and b d. 30% solution 22. What are the factors that affect solubility? stirring b. shaking c . heating d. all of the above 23. Which is the correct list of qualities of carbon and sulfur? a. Shine brightly when polished and good conductors of heat and electricity b. poor conductors of heat and electricity, opaque, solid at room temperature c. poor conductors of heat and electricity, shine at all times, liquid at room temperature. d. shine brightly when polished, good conductors of heat and electricity, good conductors of heat 24. A tool used by scientist to determine easily the properties of elements A. Periodic table of elements B. Elements and compound. C. Table of multiplication D. Solute and solvent
Explanation:
1.C
2.C
3.A
4.D
5.A
hope it help
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