1) What is H2O? a) Hydrogen b) Oxygen c) Water d) Helium 2) Symbol for Gold? a) Pb b) Ag c) Au d) Fe 3) NaCl is known as? a) Salt b) Sugar c) Vinegar d) Baking Soda 4) CO2 is a? a) Compound b) Element c) Mixture d) Solution 5) Atomic number of Oxygen? a) 16 b) 8 c) 6 d) 12 6) Which is a noble gas? a) Neon b) Nitrogen c) Oxygen d) Carbon 7) Chemical symbol for Iron? a) Fe b) Ir c) In d) I 8) Which is a compound? a) H2O b) O2 c) N2 d) He 9) Element with symbol 'K'? a) Kellogs b) Phosphorus c) Krypton d) Potassium 10) Which is a metal? a) Copper b) Chlorine c) Carbon d) Calcium

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