Category: S&T
S.R. NO Questions Answers 1 Antacids are – Base 2 Goldsmiths uses aqua regia, which is prepared by mixing– […]...
1 Which gas is known as ‘noble gas’? Helium 2 Percentage amount (by volume) of which one of the […]...
Questions Answers 1 An element X has four electrons in its outermost orbit. What will be the formula of […]...
S.R. NO Questions Answers 1 What elements form the maximum number of compounds? Carbon 2 Graphene is – Nano […]...
S.R. NO Questions Answers 1 Galvanized iron pipes have a coating of – Zinc 2 The plates of galvanized […]...
S.R. NO Questions Answers 1 Which is the most reactive metal? Potassium 2 Which pairs of metals constitutes the […]...
Questions Answers 1 UNESCO inaugurated the celebration of 2019 as the International Year of the Periodic Table of Chemical […]...
S.R. NO Questions Answers 1 The change of water into the vapour is called – Physical 2 What is […]...
Questions Answers 1 Who is regarded as the Father of Modern Chemistry? Lavoisier 2 The positively charged part at […]...
Questions Answers 1 The branch of Physics that deals with the motion of very small particles is called – […]...