Here below some basic MCQ’s about “Solids, Unit cells and Packing Efficiency” with Answer explanation which is explained in details. Let’s check one by one which is given below. 1. Which of the following is a property of ionic solids? a) ...

Here below some basic MCQ’s about “Air, water and soil pollution” with answer which is explained in details. Let’s check one by one which is given below. 1. Which of the following is a primary air pollutant? A) Ozone (O₃)B) Sulfur ...

Here below some basic MCQ’s about “Boron, Carbon and Nitrogen” with answer which is explained in details. Let’s check one by one which is given below. Q1. Which of the following is the most abundant element of Group 13 in Earth’s ...

here below some basic MCQ’s about”Greenhouse effect and Global warming” which is explained in details. Let’s check one by one which is given below. 1. Which of the following gases is primarily responsible for the greenhouse effect? Answer: C. Carbon dioxide (CO₂) ...

Here below some basic MCQ’s about “Alkanes, Alkenes, Alkynes and Aromatic Hydrocarbons” which is well explained. Let’s check one by one which is given below. 1. Which of the following is the correct IUPAC name of the compound CH3-CH=CH-CH3? a) ...

1. Which of the following is the correct IUPAC name for the compound CH₃-CH₂-CH₂-CH(OH)-CH₃? A. 3-Hydroxy-2-pentanolB. 2-PentanolC. 3-PentanolD. Pentan-2-ol Answer: D. Pentan-2-ol Explanation:The longest carbon chain contains 5 carbon atoms, hence the base name is pentane. The -OH group is attached to the second carbon, so the compound ...

1. Which of the following alkali metals forms the most stable peroxide? Answer: (c) Potassium Explanation: Among alkali metals, potassium readily forms a stable peroxide. The stability of peroxides increases as we move down the group because the larger size of the cation ...

Q1. Which of the following is the best method for the large-scale preparation of dihydrogen? A) Electrolysis of waterB) Lane’s processC) Bosch processD) Wurtz reaction Answer: C) Bosch process Explanation: The Bosch process is widely used for the large-scale industrial production of ...

1. Which isotope of hydrogen is the most stable and abundant? Answer: a) Protium Explanation:Protium is the most stable and abundant isotope of hydrogen, constituting over 99.98% of the hydrogen found in nature. Deuterium is much less abundant, and tritium is rare ...

1. What is an electrochemical cell? Answer: a) A device that converts chemical energy into electrical energy Explanation: Electrochemical cells use chemical reactions to generate electricity. 2. In an electrochemical cell, the anode is where: Answer: a) Oxidation takes place Explanation: In an electrochemical cell, oxidation ...