angelicajagutin55
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What I Know (Pre-test) Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper 1. Which of the following statements is true about organic compounds? a. These are compounds that consist mainly of hydrogen and oxygen. b. These compounds are mostly found in non-living things. These compounds have less number of kinds and have limited uses. d. These are compounds that contain carbon chemically combined with hydrogen, oxygen, nitrogen and other elements 2. Which of the following pairs of substances is an example of an organic compound? a Vinegar and Water b Natural gas and Coal C Sugar and Salt d Baking Soda and Munatic Acid 3. Which of the following statements best defines Organic chemistry? a The branch of chemistry that deals with the study of carbon containing compounds and their physical and chemical properties. b. The branch of chemistry that deals with the study of the chemical structure and properties of Acid and Base as well as their uses c. The branch of chemistry that deals with the study of substances containing purely hydrogen and oxygen d The branch of chemistry that deals with the study of structural formulas of compounds found in most of the non-living things. a 4. What are valence electrons? The number of electrons in the inne most shell of an atom. b. The number of electrons in the outermost shell of an atom that is involved in chemical bonding, c. The number of electrons found in the middle shell of an atom. dAll of the statements are correct. 5. How many valence electrons does Carbon atom have? a. 6 c.12 b. 4 d 8
[tex]answer \: 1.d 2.b \: 3.a4.b5.b6.b7.d8.c9.b10.b11.a12.d13.c14.a15.b[/tex]
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What I Know Pretest Choose The Letter Of The Best Answer Write The Chosen Letter On A Separate Sheet Of Paper 1 Which Of The Following Statements Is True About class=

Sagot :

edajanepcoquilla

Answer:

nasa pic po ang answer

Explanation:

hope it helps

pa brainliest po

View image edajanepcoquilla
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