Which fossil fuel is formed under earth by the decomposition of vegetable matter lying under water by anaerobic bacteria in the absence of oxygen?

The Egg shell is made up of which of the following?

How many periods are there in the Modern Periodic Table?

Manganite is an ore/mineral of

Which of the following statements about colloids is NOT true?

What are Sodium benzoate and Sodium metabisulphite primarily used as?

Themes, Variants, Customize etc., are elements of which tab of MS-PowerPoint 2019?

Which of the following is the best sources for Vitamin D are –

Nitrous Oxide (N2O) is also known as –

Which sodium compound is the most popular additive in sauces, salad dressings, and beverages for its preservative action?