A. decomposed B. displaced C. oxidized D. reduced Correct Answer: Option D - reduced
A. -5 B. -1 C. +1 D. +7 Correct Answer: Option D = +7
A. 2.0 cm³ B. 5.0 cm³ C. 6.8 cm³ D. 8.3 cm³ Correct Answer: Option A - 2.0 cm³ Explanation…
A. NaHS B. NaHSO4 C. NaHCO3 D. Na2CO3 Correct Answer: Option D - Na2CO3
A. solution B. suspension C. precipitate D. colloid Correct Answer: Option C - precipitate
A. 0.13 B. 0.25 C. 1.25 D. 2.00 Correct Answer: Option C - 1.25 Explanation Relative molecular mass of CuSO4…
A. asbestos dust B. sawdust C. nitrogen (II) oxide D. carbon (II) oxide Correct Answer: Option A - asbestos dust…
A. acidity B. alkalinity C. chloride content D. nitrate content Correct Answer: Option D - nitrate content
A. magnesium and silver B. calcium and magnesium C. sodium and potassium D. calcium and sodium Correct Answer: Option B…
A. neon and hydrogen B. nitrogen and helium C. helium and neon D. neon and nitrogen Correct Answer: Option A…