Advertisements
Advertisements
प्रश्न
Complete and balance the following chemical equations:
Ba`"CI"_2` + `"H"_2"SO"_4` `→`
(aq.) (aq.)
Advertisements
उत्तर
\[\ce{\underset{\text{(aq.)}}{BaCl2} + \underset{\text{(aq.)}}{H2SO4} ->BaSO4 ↓ + 2HCl}\]
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equations:
Zn + `"H"_2"SO"_4` `→`
(dil)
Write the missing reactants and products and balance the equations.
NaOH + ............... `→` NaCI + ...................
TRUE \ FALSE
Electrolytic refining is a method in which a thin coating of a metal is done over another metal.
What are chemical reactions?
State four conditions necessary for a chemical reaction to take place.
Name the type of chemical reaction shown by the following equation:
2Mg + O2 → 2MgO
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.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Give an example of the following chemical change.
Two gases combine to form white solid
When hydrogen burns in oxygen, water is formed; when electricity is passed through water, hydrogen and oxygen are given out. Name the type of chemical change involved in the two cases.
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Multiple choice:
A reaction of a type: AB + CD → AD + CD, involves
Name affects the acidified K2Cr2O7 paper and also turns lime water dirty milky.
State the following reaction represent oxidation or reduction.
\[\ce{Al->Al+++}\]
Give a suitable example with an equation to show the representation of a chemical reaction.
NPK are the primary nutrients for plants.
________ is a chemical substance which alters the speed of a chemical reaction.
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Do you think formation of rust from iron is a chemical change?
Iron and rust are the same substances.
Write a note on the catalyst.
