Dear maam in Q17 you choose option 4 but according to ctet officals option B (the pole strength of each piece will be one ninth of the original ) is correct option
Madam Mera 9 January ko hoa ttha os mein ek acid aur base ka question aya ctet ne 3 ko sahi bola pr aap ne 4 option bhi sahi bole aur mera ctet sirf 1 no se rah gaya .