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प्रश्न
Classify the following as physical or chemical properties
Most metal oxides form alkalis on interacting with water.
उत्तर
Chemical property
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संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Which one of the following alters the rate of the chemical reaction without itself undergoing any change?
- temperature and Pressure
- concentration of reactants
- presence of catalyst
- none of these
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer
Which of the following is a reducing agent?
- oxygen
- chlorine
- hydrogen
- none of these
State what you would observe when the following substance is heated in a glass test tube red lead.
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Give an example of the following chemical change.
Two gases combine to form white solid
Write the chemical reaction where the following changes are observed.
Physical state is changed
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What do you observe when Cobalt chloride paper is introduced in water vapour.
State the following reaction represent oxidation or reduction.
\[\ce{Ag->Ag+}\]
Write word equations for two chemical reactions with the help of materials given in the box.
Air, copper sulphate, iron, vinegar, iron oxide, carbon dioxide, iron sulphate, copper, lime water, water
