Question

8. Which of the following is (are) true when HCl (g) is passed through water?
(i) It does not ionise in the solution as it is a covalent compound.

(ii) It ionises in the solution.
(iii) It gives both hydrogen and hydroxyl ion in the solution.
(iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water
molecule.

(a) (i) only (b)
(b) (iii) only
(c) (ii) and (iv)
(d) (ii) and (iv)
​

Answer 1

The COVID-19 has resulted in schools shut all across the world. Globally, over 1.2 billion children are out of the classroom.

As a result, education has changed dramatically, with the distinctive rise of e-learning, whereby teaching is undertaken remotely and on digital platforms.

Research suggests that online learning has been shown to increase retention of information, and take less time, meaning the changes coronavirus have caused might be here to stay.

Answer 2

drte to hm apne baap se v nii h

bs. bta raha tha

ki preboard start hone wala h