Advertisements
Advertisements
Question
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 white particles of baking soda disappear when put in lemon juice. This means that it is a ______ change.
Solution
The white particles of baking soda disappear when put in lemon juice. This means that it is a chemical change.
RELATED QUESTIONS
Complete and balance the following chemical equations:
Fe `"SO"_4` + NaOH `→`
(aq.) (aq.)
Write the missing reactants and products and balance the equations.
................+ HCI `→` NaCI + `"H"_2"O"` + .........................
Write true or false :
No new substance is formed during a chemical reaction.
State four conditions necessary for a chemical reaction to take place.
Name the type of chemical reaction shown by the following equation:
NaOH + HCl → NaCl + H2O
What is the reaction called when oxidation and reduction take place simultaneously? Explain with one example.
Give a word equation for the following reaction.
Two solids which combine on heating, to give a liquid.
Explain the Silver nitrate solution is kept in coloured reagent bottles in the laboratory.
Analogy:
H2O: Water:: NaCl: ______.
Write the characteristics of chemical change.
