Phenolphthalein turn pink in basic solutions.it turn colourless in acid solution.
Hence options(1)is correct
Mayonnaise is a heterogeneous mix. The correct answer is colloids.
That element is manganese. As they are in same horizontal row (period) and are next to each other. That is why they show same properties.
Hope this helps xox :)
Answer:
D. The government determines what is right & wrong for everyone
Explanation: