2021 SEBA/ASSEB Class 10 General Science Question Paper | HSLC Previous Year Paper

2021 SEBA/ASSEB HSLC Class 10 General Science Previous Year Question Paper – Assam Board Exam

Class 10 General Science Previous Year Question, 2021

Class 10 General Science , 2021 Question Paper

Section – A

1. For each questions given below, four answers are given. Out of four, only one answer is correct . Select the correct answer :

(a) A solution turns red litmus blue. Its pH is likely to be

(i) 1       (ii)  4        (iii) 5        (iv) 10

(b) An element reacts with oxygen to give a compound with a high melting point . This compound with a high melting point .This compound is also soluble in water. The element is likely to be

(i) calcium         (ii) carbon        (iii) silicon       (iv) iron  

(c) Using Mendeleev’s Periodic Table the formula predicted for the oxide of element ‘K’ is

(i)  KO2       (ii)  K2O    (iii)  K2O3    (iv) K2O2

(d) Sphygmomanometer is an instrument which is used to measure the .............. of a man .

(i)  blood pressure      (ii) O2 level in the blood (iii)     

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