Question

GENERAL INSTRUCTIONS:
* Read the questions carefully.
* All the best
*Pls do not type the nonsense answer
Q1.Choose the right option- (1X5=5)
(i) We feel warm sitting around a bonfire because of- 1
(a) Conduction (b) Convection (c) Radiation (d) Evaporation
(ii) Chemical name of Baking soda is – 1
(a) Calcium hydroxide (b) Ammonium hydroxide (c) Sodium hydroxide (d) Sodium
bicarbonate
(iv) Tartaric acid is present in_______ 1
(a) Curd (b) Tomato (c) Tamarind (d) Orange
(v) A metal spoon kept in a cup of hot milk gets hot by- 1
(a) Conduction (b) Convection (c) Radiation (d) Evaporation
Q2. Fill in the blanks- 1
(a) The normal human body temperature is about _________________. 1
(b) _______________________ is a process of transfer of heat in which a material medium is not required. 1
(c) 50 °F is equals to_______ °C. 1
(d) Litmus is ______________ indicator. 1
(e) Sulphuric acid is a _____________ acid.1

Answer 1

Answer:

Sodium hydroxide (d) Sodium

bicarbonate

(iv) Tartaric acid is present in_______ 1

(a) Curd (b) Tomato (c) Tamarind (d) Orange

(v) A metal spoon kept in a cup of hot milk gets hot by- 1

(a) Conduction (b) Convection (c) Radiation (d) Evaporation

Q2. Fill in the blanks- 1

(a) The normal human body temperature is about _________________. 1

(b) _______________________ is a process of transfer of heat in which a material medium is not required. 1

(c) 50 °F is equals to_______ °C. 1

(d) Litmus is ______________ indicator. 1

(e) Sulphuric acid is a _____________ acid.