Physical and Chemical Changes

Front

Which of the following undergoes both physical and chemical changes? Options: Ice, Snow, Candle, Rubber, Unununium (Atomic number 111)

Back

Candle

Front

What is the symbolic representation of a chemical reaction?

Back

Chemical Equation

Front

Who was the first to decompose copper carbonate?

Back

Joseph Louise Proust

Front

What is used to prevent rusting? Options: Galvanising, Galvanisation, Galvanization, Galvanizing

Back

Galvanising, Galvanisation, Galvanization, Galvanizing

Front

Which type of chemical reaction is this? - Zn[s] + 2HCl[aq] → ZnCl₂[aq] + H₂[g]

Back

Single Displacement Reaction

Front

In __________ reaction, a compound breaks into two or more components due to the breaking of bonds

Back

Decomposition

Front

What burns with a dazzling flame? Options: Magnesium ribbon, Zinc ribbon, Ammonium ribbon, Copper ribbon, Sulphur ribbon.

Back

Magnesium ribbon

Front

Cations are negatively charged ions.

Back

FALSE