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Questions in chemistry
[Sagot para sa’yo] x:x is a multiple of 5; 10
[Sagot para sa’yo] Which of the following chemicals is NOT involved in forming the first living thing on earth? Select one: a. Sodium Chloride b. Nucleic Acid c. Carbohydrates d. Proteins
[Sagot para sa’yo] a property of gold that means shiny
[Sagot para sa’yo] A dynamic equilibrium exists between a liquid and its vapor in an open container?
[Sagot para sa’yo] Why carbonated drinks are not shaken before opening
[Sagot para sa’yo] a solution has a high concentration of hydroxide ions, what is it?
[Sagot para sa’yo] Label the part of the wave
[Sagot para sa’yo] ammonia is polar molecuie while boron trifluoride is a non polar molecule, explain the difference in the polarity of these compounds
[Sagot para sa’yo] Record your observations in the following table:metal,colour of flame,how does it burn oxygen,what does the product look like, name of the product
[Sagot para sa’yo] • Balance these equations: • ___ CI2 + ___ NaBr => ___ NaCl + ___ Br2 • ___ Ag2O => ___ Ag + ___ O2 • ___ Mg + ___ HCI => ___ H2 + ___ MgCI2 • ___ H2 + ___ O2 => ___ H2O • ___ CI2 + ___ NaBr => ___ NaCl + ___ Br2
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