নিচের কোন তথ্যটি সঠিক নয়?
ক <mjx-container class="MathJax CtxtMenu_Attached_0" jax="CHTML" role="presentation" tabindex="0" ctxtmenu_counter="44" style="font-size: 114.2%; position: relative;"><mjx-math class="MJX-TEX" aria-hidden="true"><mjx-msup><mjx-mn class="mjx-n"><mjx-c class="mjx-c32"></mjx-c><mjx-c class="mjx-c35"></mjx-c></mjx-mn><mjx-script style="vertical-align: 0.393em;"><mjx-mi class="mjx-i" size="s"><mjx-c class="mjx-c1D45C TEX-I"></mjx-c></mjx-mi></mjx-script></mjx-msup><mjx-mi class="mjx-i"><mjx-c class="mjx-c1D436 TEX-I"></mjx-c></mjx-mi></mjx-math><mjx-assistive-mml role="presentation" unselectable="on" display="inline"><math xmlns="http://www.w3.org/1998/Math/MathML"><msup><mn>25</mn><mi>o</mi></msup><mi>C</mi></math></mjx-assistive-mml></mjx-container> তাপমাত্রায় পানির pH 6.5-8.5 এর মধ্যে থাকলে, পানি বর্ণহীন ও গন্ধহীন হয়
খ খরপানিতে <mjx-container class="MathJax CtxtMenu_Attached_0" jax="CHTML" role="presentat
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