List of top Chemistry Questions on Hydrogen asked in TS EAMCET

Three separate vessels (A, B and C) each contain \(100\,\mathrm{mL}\) of distilled water. Some quantity of \(\mathrm{P_4O_{10}(s)}\), \(\mathrm{SiCl_4(l)}\), and \(\mathrm{Ca_3N_2(s)}\) are added into vessels A, B, and C, respectively.  

The pH range in A, B, and C, respectively, is

Identify the correct statements from the following: I. Group 15 elements form electron rich hydrides II. Density of heavy water is higher than that of water III. Water containing soluble salts of magnesium and calcium is called soft water
Identify the correct statements:
I. Hydrogen bonding is present in liquid water and ice.
II. Hydrogenation of vegetable oils produces vanaspati fat.
III. Water present in BaCl$_2\cdot2$H$_2$O is interstitial water.
Dihydrogen reacted with elements of atomic number 15, 19 and 40 to form respective hydrides. The type of these hydrides respectively are
Which of the following represents the water-gas shift reaction?
A sample of water contains $\text{Mg}(\text{HCO}_3)_2$ and $\text{Ca}(\text{HCO}_3)_2$. On boiling this water, these hydrogen carbonates are removed as precipitates. The precipitates are
Temperature of maximum density of H$_2$O is y K and D$_2$O is x K. (x - y) (in K) is nearly
Observe the following unbalanced equations:
(I) $H_2O(l) + Na(s) \rightarrow$
(II) $H_2O(l) + F_2(g) \rightarrow$
Identify the correct statement.
Identify the correct statements from the following
I. In CuSO$_4\cdot5$H$_2$O, only one molecule of H$_2$O is hydrogen bonded.
II. In BaCl$_2\cdot2$H$_2$O, water is in interstitial positions
III. In CrCl$_3\cdot6$H$_2$O, only three H$_2$O molecules form coordinate bonds with Cr$^{3+}$
Which of the following is used as stabilizer for H$_2$O$_2$?
Identify the electron rich hydrides from the following