NEET Hydrogen and s-Block Elements questions
7 Chemistry questions on Hydrogen and s-Block Elements as asked in NEET, newest first.
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Metallic sodium dissolves in liquid ammonia giving a deep blue solution, which is paramagnetic.…
2023
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Helium is used to dilute oxygen in diving apparatus. Reason R : Helium has high solubility in O_2. In…
2023
- Which of the following statements are NOT correct? A. Hydrogen is used to reduce heavy metal oxides to metals. B. Heavy water is used to study reaction mechanism. C. Hydrogen is used to make saturated fats from oils. D.…
2023
- Match List-I with List-II. List-I (Hydrides) List-II (Nature) (a) MgH_2 (i) Electron precise (b) GeH_4 (ii) Electron deficient (c) B_2H_6 (iii) Electron rich (d) HF (iv) Ionic Choose the correct answer from the options…
2022
- Match List-I with List-II List-I List-II (a) Li (i) absorbent for carbon dioxide (b) Na (ii) electrochemical cells (c) KOH (iii) coolant in fast breeder reactors (d) Cs (iv) photoelectric cell Choose the correct answer…
2022
- Match the following and identify the correct option. List-I List-II (a) CO(g) + H_2(g) (i) Mg(HCO_3)_2 + Ca(HCO_3)_2 (b) Temporary hardness of water (ii) An electron deficient hydride (c) B_2H_6 (iii) Synthesis gas (d)…
2020
- HCl was passed through a solution of CaCl_2, MgCl_2 and NaCl. Which of the following compound(s) crystallise(s)?
2020
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