Arrange the following metals in the order of their decreasing chemical activity: magnesium, potassium, iron, gold.
Metals are arranged in the order of their decreasing chemical activity:
Potassium, magnesium, iron, gold.
Related Articles
- You are given samples of three metals- sodium, magnesium and copper. Suggest any two activities to arrange them in order of their decreasing reactivities.
- Arrange the following lengths in their decreasing magnitude:2m, 2400cm, 10000mm, 0.02km
- State the chemical symbols for the following elements:Sodium, Potassium, Iron, Copper, Mercury, Silver
- (a) Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.(b) What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.
- Which of the following metals can displace the other two metals from their salt solutions? Zinc, iron, copper
- (a) Arrange the following metals in the increasing order of their reactivities :Copper, Zinc, Aluminium and Iron(b) List two observations you would record in your notebook 30 minutes after adding iron filings to copper sulphate solution.
- Arrange the following elements in increasing order of their atomic radii :Li, Be, F, N
- Arrange the following in the decreasing order \( 5.05 \mathrm{m}, 0.55 \mathrm{dm}, 20 \mathrm{km}, 75.5 \mathrm{mm} \)
- Balance the following chemical reaction-Fe + O2 + H2O ------> ?(Iron) + (Oxygen) + (Water)Mg + O2 ------> ?(Magnesium) + (Oxygen)
- Arrange the following elements in the increasing order of their metallic character Mg, Ca, K, Ge, Ga
- Arrange the following in ascending order.\( -9,4,5,-4,0 \)
- Arrange the following in order of increasing density-Air, Exhaust from chimneys, Honey, Water, Chalk, Cotton and Iron.
- Out of three metals P, Q and R, P is less reactive than Q and R is more reactive than P and Q both. Suggest an activity to arrange P, Q and R in order of their decreasing reactivity.
- A set of metals in order of their increasing chemical reactivity is given below : silver, copper, lead, iron, zinc, magnesium and sodium.Which of the above metals is stored in kerosene ?Which metals will react with cold water ?Which gas will be liberated when metals react with cold water ?Which of the metals will react with oxygen when heated ?Which of the metals become black in the presence of hydrogen sulphide ?
- State which of the following metals would give hydrogen when added to dilute hydrochloric acid.i. Iron, ii. Copper iii. Magnesium.
Kickstart Your Career
Get certified by completing the course
Get Started