Science for Paper- 1. Balanced diet should have (a) Protein 2/5, fat 3/5, carbohydrate 1/5 (b) Protein 3/5, fat 1/5, carbohydrate 2/5 (c) Protein 1/5, fat 1/5, carbohydrate 3/5 (d) Protein 1/2, fat ¾, carbohydrate 1/4 2. Which of the following statements about a balanced chemical equation is not true? (a) Mass is conserved only (b) Atoms are conserved only (c) Molecules are conserved only (d) All of these 3. Atomic theory was given by (a) John Dalton (b) Neils Bohr (c) E. Rutherford (d) J.J Thomson 4. If we open a bottle of perfume, its smell spreads in the entire room within a short time due to the process of (a) Evaporation (b) Sublimation (c) Diffusion (d) Solution 5. Which out of the following is a heterogeneous mixture? (a) Milk (b) Soil (c) Smoke (d) All of these 6. Carbon dioxide is a compound because: (a) It exists as solid liquid and gas. (b) It contains hydrogen and oxygen. (c) It contains
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