Chemistry

Excess nitrate in drinking water can cause

Excess nitrate in drinking water can cause Options (a) methemoglobinemia (b) kidney damage (c) liver damage (d) laxative effect Correct…

Phenyl isocyanide test is used to identify

Phenyl isocyanide test is used to identify Options (a) aromatic primary amines (b) aromatic tertiary amines (c) aromatic secondary amines…

Which one of the following is the heaviest

Which one of the following is the heaviest Options (a) One molecule of oxygen (b) One molecule of Sulphur trioxide…

Which of the following is an amphoteric oxide

Which of the following is an amphoteric oxide Options (a) CrO₃ (b) Cr₂ O₃ (c) V₂ O₃ (d) TiO Correct…

The element, with atomic number 118, will be

The element, with atomic number 118, will be Options (a) transition element (b) alkali metal (c) alkaline earth metal (d)…

Which of the following will not act as a buffer?

Which of the following will not act as a buffer? Options (a) NaHCO₃ + H₂CO₃ (b) NaOH + NaCl (c)…

Among the following the least thermally stable is

Among the following the least thermally stable is Options (a) K₂CO₃ (b) Na₂CO₃ (c) BaCO₃ (d) Li₂CO₃ Correct Answer: Li₂CO₃Explanation:No…

Which one of the following contain isopropyl group

Which one of the following contain isopropyl group Options (a) 2,2,3,3-tetramethylpentane (b) 2-methylpentane (c) 2,2,3-trimethylpentane (d) 3,3-dimethylpentane Correct Answer: 2-methylpentaneExplanation:No…

The correct order of ionization energy of C, N, O, F is

The correct order of ionization energy of C, N, O, F is Options (a) F < N < C <…

Which one of the following is not an amphoteric substance

Which one of the following is not an amphoteric substance Options (a) HNO₃ (b) HCO₃⁻ (c) H₂O (d) NH₃ Correct…