Q. Fluorine can be stored in a metal lined with nickel and copper alloy to protect from

View solution

Q. Fluorine reacts with noble gases to form

View solution

Q. At temperatures above 1500 °C, hydrogen fluoride (HF) and hydrogen chloride (HCl) are

View solution

Q. A fluorine atom (F) affects pair of an electron in a covalent bond, which is

View solution

Q. The -COOH is the functional group of

View solution

Q. All compounds consist of particular atoms in their molecules or group of atoms which is called as

View solution

Q. CH₃COOC₂H₅ is the structural formula for

View solution

Q. The barium metal is highly reactive if it is stored in

View solution

Q. White solid oxides are produced by burning of group II metals in the presence of

View solution

Q. If water reacts with calcium oxide, it will produce

View solution

Q. The attraction of higher nuclear charge is less than actual charge because of

View solution

Q. In flares production, mostly the fine powder used is of

View solution

Q. Hot magnesium reacts with water to yield

View solution

Q. Decoy magnesium flares give off heat confuses the infrared detection system in missiles so the enemy can not

View solution

Q. When magnesium is burnt on Bunsen burner it gives flame of color

View solution

Q. The calcium oxide reacts with water readily to make a solution which is weakly

View solution

Q. Going down the group the Group-II elements are more

View solution

Q. Strontium (Sr) compounds put on a nichrome (NiCr) wire and heated gives of color

View solution

Q. What is true about metals?

View solution

Q. The percentage of a sample of HBr decomposes at 430 °C. is

View solution