Every Day Science

A) Blue B) Green C) Red D) Purple only Answer: C Explanation: Acidic conditions turn blue litmus red. Litmus is […]

A) Red B) Yellow C) Black D) Blue Answer: D Explanation: Basic conditions turn red litmus blue. The color change […]

A) It turns red B) It turns black C) It vanishes D) It stays blue Answer: D Explanation: Blue litmus […]

A) It stays blue always B) It turns metallic C) It turns red D) It becomes a gas Answer: C […]

A) Baking soda B) Quicklime C) Table salt D) Vinegar Answer: C Explanation: Sodium chloride, NaCl, is common table salt. […]

A) Indicator B) Alkali C) Neutralization D) Limewater Answer: B Explanation: Alkali means a base soluble in water. Sodium hydroxide […]

A) Neutralization B) Blue litmus C) Limewater D) Alkali Answer: B Explanation: Blue litmus means a test paper that turns […]

A) Limewater B) Salt C) Alkali D) Blue litmus Answer: B Explanation: Salt means an ionic substance formed in many […]

A) Alkali B) Corrosion C) Blue litmus D) Salt Answer: B Explanation: Corrosion means damage to materials by reaction with […]

A) 0 B) 7 C) 10 D) 14 Answer: B Explanation: Neutral water has pH about 7 at 25 degrees […]