প্ৰশ্ন: আমাৰ শৰীৰত চৰ্বীজাতীয় খাদ্য সমূহ কেনেদৰে পাচন হয়? এই প্ৰক্ৰিয়াটো শৰীৰৰ কোন অংশত সংঘটিত হয়? উত্তৰ: পাচন নলীৰ ক্ষুদ্ৰান্তত চৰ্বীস...
Jul 1, 2022
Jun 12, 2022
If 800 calorie of heat is applied to 10 g of ice at 0°C 0°C (তাপমাত্রায় 10 g বরফকে 800 ক্যালোরি তাপ প্রয়োগ করলে)
Q.1 The acid which is mostly present in acid rain is (A) Nitric acid (C) Sulphuric acid (B) Hydrochloric acid (D) Citric acid অম্লবৃষ্টিতে য...
A Helium atom contains একটি হিলিয়াম পরমাণুতে থাকে
Q. Select the right answer. A Helium atom contains (A) four protons and four electrons. (B) four neutrons and four electrons. (C) four proto...
An object will float in a liquid while completely immersed when
Q. Select the right answer. An object will float in a liquid while completely immersed when (A) its weight and the buoyancy are equal. (B) i...
A student was cycling to her school at a uniform speed 10 m/sec. She pressed the brake near the gate of her school and stopped in 5 sec.
Q. A student was cycling to her school at a uniform speed 10 m/sec. She pressed the brake near the gate of her school and stopped in 5 sec. ...