What is the mass ratio of hydrogen to oxygen in a water molecule? What is the mass ratio of hydrogen to oxygen in a water molecule? A. 2:3 B. 1:8 C. 1:4 D. 1:16 Answer:...Read More
Which ore exists as carbonate ore? Which ore exists as carbonate ore? A. Siderite B. Iron Pyrite C. Anglesite D. Rutile Answer: A. Siderite Siderite is...Read More
Which of the following metal is not found in free state? Which of the following metal is not found in free state? A. Na B. Au C. Ag D. Pb Answer:...Read More
Which hydrocarbon can not be obtained by Wurtz reaction? Which hydrocarbon can not be obtained by Wurtz reaction? A. Methane B. Ethane C. Propane D. Butane Answer: A. Methane...Read More
What is the chemical formula of plaster of paris? What is the chemical formula of plaster of paris? A. Ca(OH)2 B. CaSO4. 1/2H2O C. CaO D. CaSO4. 2H2O Answer:...Read More
Who gave the ‘Law of multiple proportions’? Who gave the 'Law of multiple proportions'? A. Avogadro B. Gay Lussac C. John Dalton D. Joseph Proust Answer: C....Read More
What is the process by which a gas is converted into a solid? What is the process by which a gas is converted into a solid? A. Deposition B. Sublimation C. Vaporisation D....Read More
Siderite is the ore of which metal? Siderite is the ore of which metal? A. Fe B. Zn C. Cu D. Al Answer: A. Fe The answer...Read More
What happens in the oxidation reaction? What happens in the oxidation reaction? A. Addition of oxygen B. Addition of hydrogen C. separation of oxygen D. receiving...Read More
Which of the following is ore of aluminium? Which of the following is ore of aluminium? A. Galena B. Siderate C. Bauxite D. Magnetite Answer: C. Bauxite Bauxite is...Read More
Which of the following gases is called ‘marsh gas’? Which of the following gases is called 'marsh gas'? A. H₂ B. CH4 C. C₂H₄ D. C₂H₂ Answer: B. CH4...Read More
Which type of hybridization is seen in general alkanes ? Which type of hybridization is seen in general alkanes? A. Sp3 B. Sp2 C. Sp D. ALL of the above...Read More
Which atomic particle has no charge? Which atomic particle has no charge? A. Proton B. Electron C. Neutron D. All of the above Answer: C. Neutron...Read More
Which of the following metals is a liquid at room temperature? Which of the following metals is a liquid at room temperature? A. Sodium B. Calcium C. Mercury D. Lithium Answer:...Read More
What is the molecular weight of Heavy Water? What is the molecular weight of Heavy Water? A. 22 B. 20 C. 18 D. 16 Answer: B. 20 The...Read More
What is the purest form of iron? What is the purest form of iron? A. Cast Iron B. Pig Iron C. Wrought Iron D. Steel Answer: C....Read More
By default, your documents print in ___ mode in MS Word? By default, your documents print in _ mode in MS Word? A. Landscape B. Portrait C. Page Setup D. Print...Read More
What does “PPI” represent when discussing screen quality? PPI stands for Pixels Per Inch and is a measure of the resolution or pixel density of a digital image...Read More
Vocabulary – Importance, Different Types, and How to Improve Your Vocabulary Mastering the Art of Expression: A Comprehensive Guide to Vocabulary. At its core, vocabulary is more than a mere collection...Read More
Important Synonyms and Antonyms for Competitive Exams Mastering Synonyms and Antonyms: Your Essential Guide for Exam Success. In exams like SSC, RRB, Bank, IBPS, State PSUs and...Read More