turkishjoe641
turkishjoe641
12-01-2023
Mathematics
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9+10 only true viners will know
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In which solution will thymol blue indicator appear blue? (1) 0.1 M CH3COOH (3) 0.1 M HCl (2) 0.1 M KOH (4) 0.1 M H2SO4
Which kelvin temperature is equal to 56°C? (1) –329 K (3) 217 K (2) –217 K (4) 329 K
Which change in oxidation number indicates oxidation? (1) –1 to +2 (3) +2 to –3 (2) –1 to –2 (4) +3 to +2
Two solid samples each contain sulfur, oxygen, and sodium, only. These samples have the same color, melting point, density, and reaction with an aqueous barium
Which statement explains why sulfur is classified as a Group 16 element? (1) A sulfur atom has 6 valence electrons. (2) A sulfur atom has 16 neutrons. (3) Sulfu
Which sentence correctly uses an objective case pronoun? A. You and him did a wonderful job decorating the house. B. The players in the outfield are Lisa, her,
Compared to a phosphorus atom, a P3– ion has (1) more electrons and a larger radius (2) more electrons and a smaller radius (3) fewer electrons and a larger rad
Which nuclear decay emission consists of energy, only? (1) alpha particle (3) gamma radiation (2) beta particle (4) positron
Which chemical equation is correctly balanced? (1) H2(g) + O2(g)=> H2O(g) (2) N2(g) + H2(g) =>NH3(g) (3) 2NaCl(s)=>Na(s) + Cl2(g) (4) 2KCl(s) => 2K(
Which statement explains why sulfur is classified as a Group 16 element? (1) A sulfur atom has 6 valence electrons. (2) A sulfur atom has 16 neutrons. (3) Sulfu
