Advertisements
Advertisements
Question
Write the chemical reaction where the following changes are observed.
Gas is evolved
Advertisements
Solution
\[\ce{Zn + H2SO4 -> ZnSO4 + H2}\]
APPEARS IN
RELATED QUESTIONS
TRUE \ FALSE
Ammonia is a good oxidizing agent.
Name the type of chemical reaction shown by the following equation:
Fe + CuSO4 → FeSO4 + Cu
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
The spoiling of food is a chemical change which is recognized from the generation of certain ______ due to it.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
A colourless solution of calcium hydroxide in a test tube turns ______ on blowing in it through a blow tube for some time.
Name: Gas with rotten egg smell.
Give a chemical test to distinguish between the following gases.
HCl and Cl2
Write your observation and a balanced equation in the case of the following substances being heated.
Zinc carbonate.
State the following reaction represent oxidation or reduction.
\[\ce{Cu++->Cu}\]
______ is a natural indicator.
Which of the following statement is incorrect for a chemical reaction?
