The following Questions of Sample Paper Class 10 2022 Science are given below. class 10 science sample paper 2022| Model Question Paper 2021 class 10 Science Sample Paper 5 1. What type of chemical reaction takes place when electricity is passed through water ? (a) Displacement (c) Decomposition (d) Double displacement (b) Combination Ans. c … Read more
The following Questions of Class 10 Science Sample Paper Solution are given below. Model Question Paper 2021 class 10 | Class 10 Science Sample Paper Solution Science Sample Paper 4 1. Iron nails are dipped in CuSO4, solution for some time. What will be the effect on iron nail’s colour ? (a) No effect (b) … Read more
The following Questions of Class 10 Science Question Paper 2022 pdf are given below. Model Question Paper 2021 class 10 | Sample Paper Class 10th 2021 2022 Science Sample Paper 3 1. If a substance loses oxygen or gains hydrogen during a reaction, it is said to be (a) Reduced (b) Oxidised (c) Both (a) … Read more
The following Questions of sample paper class 10 science 2021 22 with solutions are given below. Sample Paper Class 10 2021 | Class 10 Sample Paper 2021-22 Science Sample Paper 2 1. Fe2O3+ 2AI → Al2O3 + 2Fe The above reaction is an example of a: (a) Combination reaction (b) Double displacement reaction (c) Decomposition … Read more
The following Questions of Science Sample Paper Class 10 2021-22 are given below. Sample Paper Class 10th 2021 2022 | Model Question Paper 2021 class 10 Science Sample Paper 1 1. CaCO3(s) →(heat)Cao + CO2 is an example of : (a) Displacement reaction (b) Double displacement reaction (c) Decomposition reaction (d) Combination reaction Ans. c … Read more