Class 10 | Chemical reaction and equations

Flash Card

Which of the following is used as a catalyst to increase the rate of decomposition of KClO3 to liberate O2 gas?

1/35

When two or more reactants combine in a reaction to form a single product, it is called a ........... reaction.

2/35

When ........... is passed through fresh lime water, it turns milky.

3/35

The chemical formula of the rust is ............. .

4/35

Which is the CORRECT statement?

5/35

Nascent oxygen is represented as ........... .

6/35

The conversion of ferrous sulphate into ferric sulphate is ............ reaaction.

7/35

.............. is a chemical change.

8/35

In the chemical equation, the ............ written on the left hand side.

9/35

Rate of a chemicla reaction........... .

10/35

On mixing aqueous solutions of silver nitrate and sodium chloride, a white precipitate is obtained. This reaction can be categorized as ........... reaction.

11/35

Identify INCORRECT statement regarding the conventions followed while writing a chemical equation.

12/35

Which of the following is a physical change?

13/35

What happens when phthalic anhydride taken in an evaporating dish is slowly heated on at low flame?

14/35

............. is used as catalyst in the conversion of vegetable oil to vanaspathi ghee

15/35

Which of the following is formed when ethyl alcohol is treated with acidic potassium dichromate?

16/35

What happens when a piece of zinc metal is added to copper sulphate solution?

17/35

Which among the following is a double displacement reaction?

18/35

A student holds a magnesium (Mg) strip in pair of tongs and ignites the strip. On burning of magnesium metal in the presence of air, a while powder of ............ is formed.

19/35

When aluminium metal reacts with dillute hydrochloric acid, .............. gas is liberated.

20/35

Rusting of an iron nail is a ............ reaction.

21/35

The change of Fe in ferrous ion is ............. .

22/35

Consider the formation of carbon dioxide gas by combustion of coal in air. Which of the following is CORRECT statement?

23/35

The chemical reaction in which two or more products are formed from a single reactant is called .......... reaction.

24/35

Which of the following is NOT formed when Cu reacts with concentrated nitric acid?

25/35

Sodium carbonate (Na2CO3) solution is added to the calcium chloride (CaCl2) solution. Which of the following is CORRECT observation?

26/35

When the positive charge on an ion increases and the negative charge on them decreases it is called as ............. .

27/35

Food stuff cooked in oil or ghee will become rancid easily if .............. .

28/35

During the corrosion of iron, in the anode region, ............. .

29/35

If the product formed is an insoluble solid, then instead of (s), it can be indicated by the symbol .......... in the chemical equation.

30/35

Which of the following statements is INCORRECT?

31/35

The reaction of iron nail with copper sulphate solution is .............. reaction.

32/35

Why is the reductant in the following reaction Mno2 + 4HCI → MnCl2 + 2H2O + Cl2

33/35

A student takes 5 g of sodium hydroxide. He adds it to 100 mL of water taken in a plastic bottle and shakes the content well. Which of the following observation is CORRECT?

34/35

The process due to which reddish colored coating is formed on iron is called as................ .

35/35
Chemical reaction And Equations

Class 10 | Chemical reaction and equations

1 / 35

Which among the following is a double displacement reaction?

2 / 35

The process due to which reddish colored coating is formed on iron is called as……………. .

3 / 35

When two or more reactants combine in a reaction to form a single product, it is called a ……….. reaction.

4 / 35

In the chemical equation, the ………… written on the left hand side.

5 / 35

A student holds a magnesium (Mg) strip in pair of tongs and ignites the strip. On burning of magnesium metal in the presence of air, a while powder of ………… is formed.

6 / 35

Rate of a chemicla reaction……….. .

7 / 35

…………. is used as catalyst in the conversion of vegetable oil to vanaspathi ghee

8 / 35

The chemical reaction in which two or more products are formed from a single reactant is called ………. reaction.

9 / 35

………….. is a chemical change.

10 / 35

When the positive charge on an ion increases and the negative charge on them decreases it is called as …………. .

11 / 35

The reaction of iron nail with copper sulphate solution is ………….. reaction.

12 / 35

Which is the CORRECT statement?

13 / 35

Consider the formation of carbon dioxide gas by combustion of coal in air. Which of the following is CORRECT statement?

14 / 35

What happens when phthalic anhydride taken in an evaporating dish is slowly heated on at low flame?

15 / 35

Why is the reductant in the following reaction Mno2 + 4HCI → MnCl2 + 2H2O + Cl2

16 / 35

Rusting of an iron nail is a ………… reaction.

17 / 35

Which of the following is NOT formed when Cu reacts with concentrated nitric acid?

18 / 35

What happens when a piece of zinc metal is added to copper sulphate solution?

19 / 35

Which of the following is formed when ethyl alcohol is treated with acidic potassium dichromate?

20 / 35

The chemical formula of the rust is …………. .

21 / 35

When ……….. is passed through fresh lime water, it turns milky.

22 / 35

On mixing aqueous solutions of silver nitrate and sodium chloride, a white precipitate is obtained. This reaction can be categorized as ……….. reaction.

23 / 35

The change of Fe in ferrous ion is …………. .

24 / 35

The conversion of ferrous sulphate into ferric sulphate is ………… reaaction.

25 / 35

A student takes 5 g of sodium hydroxide. He adds it to 100 mL of water taken in a plastic bottle and shakes the content well. Which of the following observation is CORRECT?

26 / 35

Nascent oxygen is represented as ……….. .

27 / 35

If the product formed is an insoluble solid, then instead of (s), it can be indicated by the symbol ………. in the chemical equation.

28 / 35

Which of the following statements is INCORRECT?

29 / 35

Sodium carbonate (Na2CO3) solution is added to the calcium chloride (CaCl2) solution. Which of the following is CORRECT observation?

30 / 35

When aluminium metal reacts with dillute hydrochloric acid, ………….. gas is liberated.

31 / 35

Which of the following is a physical change?

32 / 35

Food stuff cooked in oil or ghee will become rancid easily if ………….. .

33 / 35

Identify INCORRECT statement regarding the conventions followed while writing a chemical equation.

34 / 35

During the corrosion of iron, in the anode region, …………. .

35 / 35

Which of the following is used as a catalyst to increase the rate of decomposition of KClO3 to liberate O2 gas?

Your score is

The average score is 69%

0%

Get 90% off our TEST SERIES

X
Scroll to Top