← CBSE Class 10 PYQ

Metals and Non-metals

CBSE Class 10 · Science · 22 past questions

Q1 2026

Which of the following is a poor conductor of electricity ?
Q2 2026

When an element ‘X’ reacts with water, it starts floating. Identify the element ‘X’…
Q3 2026

The reaction of calcium with cold water is…
Q4 2026

When Mg metal is treated with hot water, it starts floating on the surface of the water. The reason for its…
Q5 2026

Read the following passage and answer the questions that follow…
Q6 Sample paper 2026-27

Electrical wires made of aluminum
Q7 2025

Aluminium powder is used in thermit welding because…
Q8 2025

Two metals zinc and tin are dissolved separately in definite proportions in molten copper (the primary metal)…
Q9 2025

For Questions number 17 to 20, two statements are given — one labelled as Assertion (A) and the other…
Q10 2025
Q11 2025

The most common method of extraction of metals from their oxide ores is…
Q12 2025

Reaction between two elements A and B, forms a compound C. A loses electrons and B gains electrons. Which one…
Q13 2025

The formation of magnesium oxide is correctly shown in option… (with a figure)
Q14 2024

State giving reason the reduction process to obtain the following metals from their compounds…
Q15 2024

A metal and a non-metal that exists in liquid state at the room temperature are respectively…
Q16 2024

Oxides of aluminium and zinc are…
Q17 2023

A metal 'X' is used in thermite process. When X is burnt in air it gives an amphoteric oxide 'Y'. 'X' and 'Y'…
Q18 2023

Q. Nos. 17 to 20 are Assertion – Reason based questions.…
Q19 2023

When zinc reacts with sodium hydroxide, the product formed is…
Q20 2023

Among the following, the metal with lowest density is…
Q21 2023

The number of electrons in the outermost shell of the atom of a non-metal can be…
Q22 2023

For Questions number 17 to 20, two statements are given — one labelled as Assertion (A) and the other…