Chemistry · 2021
JEE Main · 26 February 2021, Shift 2 · Q39
Calgon is used for water treatment. Which of the following statement is NOT true about Calgon?
Calgon is used for water treatment. Which of the following statement is NOT true about Calgon ?
Official answer
(1)
Calgon contains the $\displaystyle 2^{\text {nd }}$ most abundant element by weight in the Earth's crust.
More from Hydrogen
- The reaction of H_2 O_2 with potassium permanganate in acidic medium leads to the formation of mainly:2022
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Isotopes of hydrogen have almost…2023
- Given below are two statements: Statement I: Permutit process is more efficient compared to the synthetic resin method for the softening of water.…2023
- The strength of 50 volume solution of hydrogen peroxide is ____ g/L (Nearest integer). Given: Molar mass of H_2 O_2 is 34 g mol^-1 Molar volume of…2023
- Consider the following reaction: 2 HSO_4^-(aq) →[ (2) Hydrolysis ] (1) Electrolysis 2 HSO_4^-+2 H^++A The dihedral angle in product A in its solid…2022
- Addition of H_2 SO_4 to BaO_2 produces:2022
- High purity (>99.95\%) dihydrogen is obtained by2022
- In an ice crystal, each water molecule is hydrogen bonded to ____ neighbouring molecules.2023
JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.