Question

. Unit Dhasi 4: 2020-21 Std-10 (Gujarati Medium) Time 45 Minutos Subject 8 Science (11) Total Marks: 25 | Development-A Answer the following questions according to mama. (1 mark for each) N - 1 killed Vidhu Choose 1 Pau, instead of mixing the attitude of one acid and A Bayes in the canal, choose the right option. Use the poet's temperature. (A) Temperature of Virtha. al) The temperature of the universe is the same. () Shar will be appointed. Wipo (A) નું Kanu () Sayu (B) (B) and (a) Samu (c) (l) and (N) True (D) (l) and (%) True Question-2 Carve the salute to take the engine or car ... (A) Its blood pressure is low. (B) The pulse of its rise is slow. () He had a disease called goiter. (D) He had a high incidence of rheumatoid arthritis. HR - 3 When a ray of light is measured obliquely and enters the water from the air, its side is darkened. Pram - what happens when the green vegetation disappears from the earth? Aircraft-E Answer the following question according to mampa. (2 Gu a of each) Give the difference: Convex lens and concave lens H81-6 (A) Give scientific car: LM and khapaghan should not be kept in brass as well as copper utensils. (B) What is the neutral g process called? MA - 7 What is alkalinity? Name any tips or measures to prevent iron deficiency. Question-8 Write the law of axis and write the unit of inclination. Section Answer the following questions as requested. (2 marks each) Question-2 Understand the method of electric separation for copper refining. Understand the best of the PM-10 barriers and get the formula of its equivalent barrier. Question-11 Describe any one of the two methods of production from the sea. [1]​

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